CVE-2026-116829: ggml-org llama.cpp

llama.cpp b10398 before b11301 Integer Overflow in gguf_init_from_reader

CVSS 6.9 MediumEPSS 0.0013 · 2nd percentile

Published by the CVE Program (CNA: VulnCheck) at 27 Oct 2026, 00:33 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
ggml-org	llama.cpp pkg:github/ggml-org/llama.cpp	affected b10398 to before b11301 custom affected 0.1.0 to before 0.6.0 semver Other versions: unaffected

Identifiers

CVE-2026-116829

CNA

VulnCheck

Weakness (CWE)

CWE-190

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
6.9	Medium	4.0	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
6.6	Medium	3.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0013, the 2nd percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

27 Oct 2026, 00:33 UTC Confirmed by the CVE List
27 Oct 2026, 01:19 UTC Confirmed by NVD

Sources

References from the CNA

github.com/ggml-org/llama.cpp/issues/29383 issue-tracking
github.com/ggml-org/llama.cpp/pull/29384 patchissue-tracking
github.com/ggml-org/llama.cpp/commit/2149c00f4442dc59302e134a02e4c99d5f7ed9fc patch
github.com/ggml-org/llama.cpp/blob/v0.5.0/ggml/src/gguf.cpp#L701 technical-description
github.com/ggml-org/llama.cpp/releases/tag/b11301 release-notes
www.vulncheck.com/advisories/llama-cpp-b10398-before-b11301-integer-overflow-in-gguf-init-from-reader 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.