CVE-2026-115727: Fosowl AgenticSeek

AgenticSeek before commit 409840c RCE via Exposed Werkzeug Debugger in llm_server

CVSS 9.2 CriticalCriticalEPSS 0.0070 · 53rd percentile

Critical, because:

CVSS score 9.2: 9.0 or more.

Published by the CVE Program (CNA: VulnCheck) at 23 Oct 2026, 11:36 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Fosowl	AgenticSeek pkg:github/Fosowl/agenticSeek	affected before 409840c033851d861c5c83a91c05fd4a2a75a096 git Other versions: unaffected

Identifiers

CVE-2026-115727

CNA

VulnCheck

Weakness (CWE)

CWE-489

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.2	Critical	4.0	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
8.1	High	3.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0070, the 53rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 23 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/Fosowl/agenticSeek/commit/409840c033851d861c5c83a91c05fd4a2a75a096 patch
github.com/Fosowl/agenticSeek/pull/558 issue-trackingpatch
github.com/Fosowl/agenticSeek/blob/d238f8e5de10e4ece40d93d80fb4daa4c8a2f34b/llm_server/app.py#L52-L53 technical-description
www.vulncheck.com/advisories/agenticseek-before-commit-409840c-rce-via-exposed-werkzeug-debugger-in-llm-server third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.