CVE-2026-18581mediumCWE-617

CVE-2026-18581: medium-severity vulnerability in ggml-org llama.cpp

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

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 4.8epss 0.2%
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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
ggml-org · llama.cpp
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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