September 26, 2026 · Applied Cybernetics Group
Morning Brief — September 26, 2026
⚠️ Stale feeds — the following feeds have not refreshed within the staleness window. Treat their sections in this brief as possibly incomplete.
ctid-attck— 72.4h since last success · HTTP 404 Not Found at https://center-for-threat-informed-defense.github.io/mappings-explorer/data/kev/attack-16.1/kev-07.28.2025/enterprise/kev-07.28.2025_attac
Morning Brief — 2026-09-26
3 federal patching priority, 6 exploit probability movers, 10 emerging critical cves, 10 supply chain, 48 ransomware activity, 778 ioc volume, 12 active malware families, 2 multi-source iocs, 2 intel feeds, 18 hand-authored sigma, 18 detection gaps, and 1 pipeline health. Sections with no signal are still rendered with an explicit “none in this window” note so absence is visible alongside presence.
Material Breach Disclosures
No new Item 1.05 8-K filings in this window.
Federal Patching Priority
CVE-2026-87902 — WordPress Core
WordPress Core Remote File Inclusion Vulnerability
- Added: 2026-09-25 · Federal due: 2026-09-28 · EPSS 86.3th pct (score 0.029) · CVSS 8.1 (HIGH) · CWE-98
- ransomware use: Unknown
WordPress Core contains a remote file inclusion vulnerability which could allow an unauthenticated attacker to make page-template resolution include a chosen readable local .php file outside the active theme directories, leading to remote code execution.
An unauthenticated attacker can make
get_page_template()page-template resolution include a chosen readable local.phpfile outside the active theme directories. If relevant pre-conditions for both the server and the active theme are met, this can lead to RCE.
CVE-2026-65660 — Microsoft SharePoint
Microsoft SharePoint Code Injection Vulnerability
- Added: 2026-09-25 · Federal due: 2026-09-28 · EPSS 67.4th pct (score 0.012) · CVSS 8.8 (HIGH) · CWE-94
- ransomware use: Unknown
Microsoft SharePoint contains a code injection vulnerability which could allow an authorized attacker to execute code over a network.
Improper control of generation of code (‘code injection’) in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2026-67279 — MikroTik RouterOS
Mikrotik RouterOS Improper Enforcement of Behavioral Workflow Vulnerability
- Added: 2026-09-25 · Federal due: 2026-09-28 · EPSS 51.5th pct (score 0.007) · CVSS 6.5 (MEDIUM) · CWE-841
- ransomware use: Unknown
Mikrotik RouterOS contains an improper enforcement of behavioral workflow vulnerability that could allow an unauthenticated client to open a session channel and send an exec request. This vulnerability can be chained to achieve unauthenticated exploitation of CVE-2026-86060.
RouterOS SSH enters the connection protocol after a client-requested rekey even though user authentication was never attempted, allowing an unauthenticated client to open a session channel and send an exec request. On affected builds the server dispatches the command, enabling unauthenticated creation, overwrite, and reconstruction of files in the RouterOS managed file namespace, including…
Exploit Probability Movers
| CVE | Today | Prev | Δ | In KEV |
|---|---|---|---|---|
CVE-2026-71362 | 0.896 | 0.023 | ▲ 0.873 | ✓ |
CVE-2026-85706 | 0.914 | 0.093 | ▲ 0.821 | ✓ |
CVE-2026-48908 | 0.885 | 0.151 | ▲ 0.734 | ✓ |
CVE-2024-57728 | 0.647 | 0.070 | ▲ 0.577 | ✓ |
CVE-2025-62593 | 0.625 | 0.273 | ▲ 0.352 | ✓ |
CVE-2026-76461 | 0.283 | 0.020 | ▲ 0.263 | ✓ |
Emerging Critical CVEs
CVE-2026-18143· CRITICAL (9.8) · 2026-09-26 — The Request a Quote for WooCommerce plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 2.9.2 via theafrfq_submit_quote_via_popup()function. This is due to missing file e…CVE-2026-92161· CRITICAL (9.8) · 2026-09-25 — FriendsOfFlarum OAuth allows users to log in to Flarum with GitHub, Twitter, Facebook, and other providers. Prior to 1.7.4 and 2.0.0-beta.4, the Discord OAuth provider does not check the verified field returned for an OA…CVE-2026-93643· CRITICAL (9.8) · 2026-09-25 — When OnlyOffice/Document Editing is available, an unauthenticated remote attacker with access to an existing supported public Briefcase document can abuse unsigned save fields to perform path-traversal writes and execute…CVE-2026-100075· CRITICAL (9.8) · 2026-09-25 — In the Linux kernel, the following vulnerability has been resolved:
RDMA/srpt: Fix srpt_alloc_rw_ctxs() unwind counters
When srpt_alloc_rw_ctxs() fails partway through a multi-buffer indirect descriptor, the unwind pat…
CVE-2026-93647· CRITICAL (9.3) · 2026-09-25 — An unauthenticated calendar sender can place active markup in a COUNTER message’s RFC From address. Selecting the message in Zimbra Classic triggers stored XSS, allowing the attacker to access mailbox data and act as the…CVE-2026-93642· CRITICAL (9.3) · 2026-09-25 — An unauthenticated sender can forge a share notification that triggers stored XSS when a signed-in Zimbra Modern recipient clicks Accept Share, allowing the attacker to access mailbox data and act as the victim.CVE-2026-93641· CRITICAL (9.3) · 2026-09-25 — An unauthenticated sender can forge a share notification that triggers stored XSS when a signed-in Zimbra Classic recipient clicks Accept Share, allowing the attacker to access mailbox data and act as the victim.CVE-2026-97064· CRITICAL (9.1) · 2026-09-25 — X-SpringBoot through 6.0 ships with a hardcoded static master login verification code 172839 enabled by default in the database seed. Unauthenticated attackers can authenticate as any user by submitting the public master…CVE-2026-97063· CRITICAL (9.1) · 2026-09-25 — X-SpringBoot through 6.0 returns login verification codes in HTTP responses from unauthenticated endpoints GET /sys/mobile/code and GET /sys/email/code without sending them to account owners. Attackers can request codes…CVE-2026-62262· CRITICAL (9.1) · 2026-09-25 — Piwigo is a full featured open source photo gallery application for the web. In 17.0.0beta1 and earlier, when rating is enabled, an unauthenticated guest can call pwg.images.filteredSearch.create with a crafted ratings[]…
Supply Chain
GHSA-q986-4x7x-gx39 · CVE-2026-57443 (pip)
- HIGH · CVSS 7.5 · 2026-09-25
- Affected:
scbe-aethermoore - https://github.com/advisories/GHSA-q986-4x7x-gx39
SCBE-AETHERMOORE Unauthenticated AetherBrowser Ops API Exposes Operator Email Digests
GHSA-vj8p-hp9x-gh47 (erlang)
- HIGH · 2026-09-25
- Affected:
mpp - https://github.com/advisories/GHSA-vj8p-hp9x-gh47
mpp vulnerable to Gas Draining with low gas limit
GHSA-vv77-66rf-pm86 (erlang)
- HIGH · 2026-09-25
- Affected:
mpp - https://github.com/advisories/GHSA-vv77-66rf-pm86
mpp vulnerable to Gas Draining with no limit
GHSA-wrvw-254r-wpmv · CVE-2026-100368 (nuget)
- HIGH · CVSS 8.4 · 2026-09-25
- Affected:
CliInvoke.Specializations,CliInvoke.Specializations,CliInvoke.Specializations - https://github.com/advisories/GHSA-wrvw-254r-wpmv
CliInvoke.Specializations has command injection in PowerShell and Cmd shell wrappers
GHSA-j73w-8hfr-4gc9 · CVE-2026-100369 (nuget)
- HIGH · CVSS 8.4 · 2026-09-25
- Affected:
CliInvoke,CliInvoke,CliInvoke - https://github.com/advisories/GHSA-j73w-8hfr-4gc9
CliInvoke: Argument Injection in Extensibility Runner Factory
GHSA-62mm-xwmv-crhg (pip)
- HIGH · 2026-09-25
- Affected:
khoj - https://github.com/advisories/GHSA-62mm-xwmv-crhg
khoj has an unauthenticated path traversal in /home/ endpoint that allows file read from server filesystem
GHSA-9gfj-28hw-jchp · CVE-2026-86439 (npm)
- HIGH · CVSS 8.8 · 2026-09-25
- Affected:
knowns - https://github.com/advisories/GHSA-9gfj-28hw-jchp
Knowns Unrestricted Path Traversal leading to out-of-bounds arbitrary .md file read, write, and deletion in MCP Docs + Memory Tools
GHSA-29h2-jr22-frmh (npm)
- HIGH · 2026-09-25
- Affected:
@openzeppelin/confidential-contracts,@openzeppelin/confidential-contracts,@openzeppelin/confidential-contracts - https://github.com/advisories/GHSA-29h2-jr22-frmh
OpenZeppelin Confidential Contracts VestingWalletConfidential: a malicious ERC-7984 token is able to extract private data from the vesting wallet
GHSA-g7vj-c29h-3h5m · CVE-2026-92161 (composer)
- CRITICAL · CVSS 9.8 · 2026-09-25
- Affected:
fof/oauth,fof/oauth - https://github.com/advisories/GHSA-g7vj-c29h-3h5m
FriendsOfFlarum OAuth: Unauthenticated account takeover via unverified email trust in Discord OAuth provider
GHSA-v65j-hff3-753c · CVE-2026-57440 (composer)
- HIGH · CVSS 7.5 · 2026-09-25
- Affected:
starcitizenwiki/embedvideo - https://github.com/advisories/GHSA-v65j-hff3-753c
Mediawiki EmbedVideo Extension has stored XSS via malformed src url with $wgEmbedVideoRequireConsent disabled
Ransomware Activity
48 new victim postings across 14 groups.
| Group | Victims | Sample |
|---|---|---|
thegentlemen | 20 | Guardrisk, Metalware Corporation, StMicroelectronics, Hell Helmut GmbH, Magnetos… |
everest | 6 | Securitas Group, Morula IVF, Reliance Audit, UNIRITA, CENELEC, ETS |
Wallstreet | 5 | Tobin & Company, Ar Valve Resources, GTFM, Beatus Cartons, Breast Implant Center… |
lockbit5 | 3 | taspenlife.com, anery.com.br, corisricambi.it |
metaencryptor | 3 | GE Vernova Inc., PKF Hadiwinata, Platinum Healthcare Staffing |
SilentRansomGroup | 2 | N…, S… |
Storm | 2 | Applied Composites, Magna Legal Services |
BlackLocks | 1 | Apollo 21 – Quality Truck, Bus & Trailer Spare Parts South Africa |
Vexy Ransomware | 1 | Majani Insurance Brokers |
emperador | 1 | Electrolux & Ontrac |
incransom | 1 | pharma5.ma |
payoutsking | 1 | M****n |
qilin | 1 | Iberia Compositech Manufacturing |
termite | 1 | Crossett |
IOC Volume
778 new IOCs in this window. By source:
| Source | Count |
|---|---|
urlhaus | 778 |
Recent OSINT Events
No curated MISP events in this window (bulk-IOC contributions tallied in IOC Volume).
Active Malware Families
12 malware families active this week (0 corroborated across ≥2 sources), exercising 18 ATT&CK techniques. Family is the unit, not the indicator: the raw IOCs are drill-down evidence below, not the signal.
| Family | Type | Corrob. | IOCs | Techniques (✗ = coverage gap) |
|---|---|---|---|---|
| Mirai | botnet | — | 2,535 | T1110, T1498, T1499, T1584.005 |
| ClickFix | delivery → | — | 30 | T1059.001, T1204 |
| AgentTesla | stealer | — | 19 | T1056.001, T1071, T1114, T1555 |
| CoinMiner | miner | — | 12 | T1496 |
| AMOS (Atomic macOS Stealer) | stealer | — | 10 | T1005, T1056.002, T1071, T1555.001 |
| ConnectWise ScreenConnect (abuse) | rmm-abuse | — | 7 | T1219 |
| MassLogger | stealer | — | 5 | T1056.001, T1071, T1555 |
| ClearFake | delivery → | — | 2 | T1059.001, T1189, T1204 |
| Remcos | rat | — | 2 | T1056.001, T1071, T1113 |
| SilverFox | rat | — | 2 | T1059, T1071, T1219 |
| Formbook | stealer | — | 1 | T1005, T1056.001, T1071, T1555 |
| Lumma | stealer | — | 1 | T1005, T1071, T1555 |
Families marked ”→” are delivery/social-engineering clusters (ClickFix, ClearFake). Their technique mappings are the delivery chain — downstream behavior is payload-dependent, so they don’t open a hard coverage gap on their own.
Multi-Source IOCs
2 IOCs flagged by 2+ independent sources this window — the highest-confidence signal the cross-feed corpus produces.
| IOC | Type | Sources | Last seen |
|---|---|---|---|
amc-us.mprevive.com | domain | misp + urlhaus | 2026-09-26 |
webhook.site | domain | misp + urlhaus | 2026-09-26 |
MISP × KEV Correlation
No MISP events in this window referenced a CVE.
Cross-Reference
No recent SEC filings to cross-reference.
Intel Feeds
2 IOC feeds updated this run (4,256 indicators total) — each available as CSV, MISP JSON, and STIX 2.1. Subscribe at https://thrunt.me/intel/manifest.json.
| Feed | Source | Type | Count | Downloads |
|---|---|---|---|---|
| URLhaus — Malware Distribution URLs | urlhaus | url | 4,150 | CSV · MISP · STIX |
| URLhaus — Malware Distribution Domains | urlhaus | domain | 106 | CSV · MISP · STIX |
Hand-Authored Sigma
16 production-ready TTP rules (+2 scaffolds in the authoring queue) live at https://thrunt.me/sigma/manifest.json. Subscribe via https://thrunt.me/sigma/rules.lock.json (content-hash churn) or pull all with https://thrunt.me/sigma/rules.tar.gz.
| Rule | Status | YAML |
|---|---|---|
| T1037 Boot or Logon Initialization Scripts — Linux Init Script Modification | experimental | https://thrunt.me/sigma/t1037-linux-init-script-modification.yml |
| T1055 Process Injection — Rundll32 Spawning Explorer as an Injection Host | experimental | https://thrunt.me/sigma/t1055-rundll32-spawning-explorer-injection.yml |
| T1071.004 DNS-over-HTTPS Resolution from a Non-Browser Process | experimental | https://thrunt.me/sigma/t1071-004-doh-resolver-non-browser-c2.yml |
| T1098.004 Account Manipulation — SSH Authorized Keys File Modification | experimental | https://thrunt.me/sigma/t1098-004-ssh-authorized-keys-write.yml |
| T1098.005 Okta Verify Enrollment from a Hypervisor Guest | experimental | https://thrunt.me/sigma/t1098-005-hypervisor-mfa-device-enrollment.yml |
| T1102.001 Dead Drop Resolver — EtherHiding Payload Retrieval from BNB Smart Chain Testnet | experimental | https://thrunt.me/sigma/t1102-001-etherhiding-bsc-testnet-dead-drop.yml |
| T1195.002 Compromise Software Supply Chain — Malicious Google Tag Manager Container | experimental | https://thrunt.me/sigma/t1195-002-unapproved-gtm-container-injection.yml |
| T1204.004 Malicious Copy and Paste — ClickFix macOS Terminal Execution | experimental | https://thrunt.me/sigma/t1204-004-clickfix-macos-terminal-execution.yml |
| T1204.004 Malicious Copy and Paste — ClickFix Run Dialog Execution | experimental | https://thrunt.me/sigma/t1204-004-clickfix-run-dialog-execution.yml |
| T1557 Okta Authentication or MFA via a Remote-Desktop / Proxy / Tor Tunnel | experimental | https://thrunt.me/sigma/t1557-aitm-cross-asn-session-mfa.yml |
| T1557 Claims Kit First-Party Exfil — X-Enc Single-Letter C2 | experimental | https://thrunt.me/sigma/t1557-claims-kit-single-letter-c2-xenc.yml |
| T1557 Okta Verify SVG Asset Served by a Non-Okta Host | experimental | https://thrunt.me/sigma/t1557-non-okta-host-oktaverify-svg.yml |
| T1557 reCAPTCHA-Skinned Cloudflare Turnstile Gate | experimental | https://thrunt.me/sigma/t1557-recaptcha-skinned-turnstile-gate.yml |
| T1566.002 Spearphishing Link — Luxembourg Hospitality SMS Phishing Campaign | experimental | https://thrunt.me/sigma/t1566-002-luxembourg-hospitality-sms-phish.yml |
| T1574.002 DLL Side-Loading — Signed javac.exe Loading jli.dll from a User-Writable Path | experimental | https://thrunt.me/sigma/t1574-002-signed-javac-sideload-jli.yml |
| T1583.001 Resolution of a ShinyHunters .claims Impersonation Domain | experimental | https://thrunt.me/sigma/t1583-001-claims-registration-conjunction.yml |
| T1003.008 OS Credential Dumping — /etc/shadow and /etc/gshadow Access | draft | https://thrunt.meundefined |
| T1530 Data from Cloud Storage — Detection | draft | https://thrunt.meundefined |
Detection Gaps
18 of 161 techniques with corpus signal have zero detection coverage — no SigmaHQ community rule, no thrunt rule. This is the hand-authoring queue; the live view is at https://thrunt.me/corpus/attck/.
| Technique | Name | Active families | MISP | KEV |
|---|---|---|---|---|
T1011 | Exfiltration Over Other Network Medium | — | 0 | 4 |
T1497 | Virtualization/Sandbox Evasion | — | 0 | 4 |
T1573.001 | Symmetric Cryptography | — | 1 | 3 |
T1562 | — | — | 0 | 3 |
T1001 | Data Obfuscation | — | 0 | 2 |
T1499.002 | Service Exhaustion Flood | — | 0 | 2 |
T1530 | Data from Cloud Storage | — | 0 | 2 |
T1562.001 | — | — | 0 | 2 |
T1003.008 | /etc/passwd and /etc/shadow | — | 0 | 1 |
T1070.001 | — | — | 0 | 1 |
…and 8 more below the cut — full list on the rollup.
Pipeline Health
| Feed | Last success | Status |
|---|---|---|
ctid-attck | 2026-09-23 09:41:01 UTC | failing |
Sources: SEC EDGAR (public domain), CISA Known Exploited Vulnerabilities (public domain), FIRST.org EPSS (per ToS), NIST NVD (public domain), GitHub Security Advisories (per ToS), abuse.ch URLhaus (CC0, attribution), ransomware.live (per ToS), MITRE ATT&CK (CC BY 4.0).
Published by Applied Cybernetics Group via thrunt.me. Heuristic cross-references are labelled as such; verify before action.