CVE-2026-18581
LowCVSS 3.3Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
In ggml-org llama.cpp (commit e15efe0), a vulnerability in the Jinja Minja Template Parser (parser.cpp) allows a reachable assertion via input {{9|9|{. Local access is required.
Risk Assessment
A local attacker can cause an application crash (DoS) by sending specially crafted input to the template parser.
Recommendation
Apply the available patch or restrict local access. The project has not yet released an official fix.
Original NVD description (English source)
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.