Signal Desk

Windows Shell zero-day CVE-2026-96951 exploited; on CISA KEV, due Oct 16

Tue, 13 Oct 2026 00:00:00 +0000

Microsoft's October Patch Tuesday marks this Windows Shell security feature bypass (CVSS 8.8) as 'Exploitation Detected'. CISA added it to KEV on Oct 13 (listed as a Windows command injection) with an Oct 16 federal due date. Patch Windows endpoints first.

Ivanti Connect Secure CVE-2026-104935 added to KEV, due Oct 16

Tue, 13 Oct 2026 00:00:00 +0000

Authentication bypass by spoofing leading to remote command execution (CVSS 8.6). Listed in CISA KEV on Oct 13 with an Oct 16 due date. Apply Ivanti's fix and review appliance integrity.

October 2026 Patch Tuesday: criticals to prioritize after the zero-day

Tue, 13 Oct 2026 00:00:00 +0000

Not known exploited, but high-value: Exchange Server RCE CVE-2026-70571 (8.1) and AD Domain Services RCE CVE-2026-70229 (8.1), both 'Exploitation More Likely'; Outlook RCEs at 9.8 such as CVE-2026-70242; Message Queuing RCE CVE-2026-100202 (9.8); DHCP Server RCE CVE-2026-96934 and QUIC RCEs. Severity and exploitability labels are Microsoft's.

REDCap CVE-2026-90817 unauthenticated RCE exploited via public surveys

Tue, 13 Oct 2026 00:00:00 +0000

Unit 42 reports attacks dropping a webshell then a fileless XMRig miner. Fixed in 16.0.49, 17.3.10 and 17.4.4. Not in CISA KEV as of Oct 13; NVD has no entry yet.

Rumor: exploit for VMware vCenter CVE-2026-59310 offered for sale

Tue, 13 Oct 2026 00:00:00 +0000

A dark-web monitor claims an exploit is for sale at $10k. No confirmed in-the-wild use. Make sure vCenter is patched and not internet-facing.

Agentic Bug Hunter (community bug-bounty toolkit)

Tue, 13 Oct 2026 00:00:00 +0000

Built around Claude Code: recon, known-CVE scanning and attack-surface ranking. Caveats: third-party community project, not audited by us; needs Claude Code or API access and won't run fully on local models without changes; only point it at targets you're authorized to test.

Hunt: AhsayCBS / REDCap post-exploitation (webshell → miner)

Tue, 13 Oct 2026 00:00:00 +0000

Both campaigns end in web-server-spawned shells and miners. Look for the web service process spawning cmd/powershell/sh, new script files in web roots, and outbound connections to mining pools.

// KQL (Defender) sketch
DeviceProcessEvents
| where InitiatingProcessFileName in~ ("java.exe","w3wp.exe","httpd","php-fpm")
| where FileName in~ ("cmd.exe","powershell.exe","sh","bash")
| project Timestamp, DeviceName, InitiatingProcessFileName, ProcessCommandLine

Tune the parent list to your stack. Sketch only; validate before alerting.

Hunt: SonicWall SMA1000 SSRF abuse

Tue, 13 Oct 2026 00:00:00 +0000

Review SMA1000 access logs for unauthenticated requests to unusual Work Place paths, and investigate unexpected connections from the appliance to internal services. Rotate credentials for anything reachable through the appliance's trust context.

Track CISA KEV yourself in one command

Tue, 13 Oct 2026 00:00:00 +0000

KEV is a public JSON feed. Pull the latest additions with:

curl -s https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json | jq '.vulnerabilities | sort_by(.dateAdded) | .[-5:][] | {cveID, dateAdded, dueDate}'

AhsayCBS CVE-2026-105133 + CVE-2026-105134 chain exploited since Oct 7

Mon, 12 Oct 2026 00:00:00 +0000

Auth bypass chained with Replication Receiver RCE gives SYSTEM. Huntress observed webshells and a disguised crypto miner. The first fix was incomplete: install hotfix 10.3.4.45 (v10) or 9.15.2.70 (v7-v9), reboot, then hunt for compromise. Not in CISA KEV as of Oct 13.

Bricksforge WordPress plugin CVE-2026-85097 unauthenticated RCE

Mon, 12 Oct 2026 00:00:00 +0000

Patchstack reports first exploitation on Oct 7. Update the plugin or remove it. We could not reach a primary advisory page today, so treat details as preliminary. Not in KEV as of Oct 13.

GitHub Security Lab Fuzzing Taskflow

Sun, 11 Oct 2026 00:00:00 +0000

Open-source taskflows for the seclab-taskflow-agent framework that use an LLM to plan, build and triage fuzzing harnesses. Caveats: needs model API access and real compute; LLM-written harnesses still need human review, and crashes are not vulnerabilities until triaged.

SonicWall SMA1000 CVE-2026-102255 pre-auth SSRF under attack

Fri, 09 Oct 2026 00:00:00 +0000

Pre-auth SSRF in the Work Place interface (advisory SNWLID-2026-0017). Upgrade to 12.4.3-03670 or 12.5.0-03082; note 12.5.0-02952, the September zero-day fix, is now listed as affected. Canada's Cyber Centre cites open-source reports of exploitation. Not in KEV as of Oct 13.