CVE-2026-18581

ggml-org llama.cpp Jinja Minja Template parser.cpp assertion

LOW
3.3
CVSS Score
Published: August 3, 2026 at 12:30 AM UTC
Updated: October 23, 2026 at 10:10 PM UTC
1 product affected across 1 vendorLlama.cpp

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Severity
LOW3.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

A vulnerability was determined in ggml-org llama.cpp e15efe0. Affected by this issue is some unknown functionality of the file common/jinja/parser.cpp of the component Jinja Minja Template Parser. Executing a manipulation with the input {{9|9|{ can lead to reachable assertion. The attack requires local access. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/385409
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/385409/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-18581
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/799118

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.3LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-617

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