CVE-2026-18581
Publication date 3 August 2026
Last updated 7 August 2026
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| llama.cpp | 26.04 LTS resolute |
Needs evaluation
|
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release |
Severity score breakdown
CVSS version:
Base score
1.9 · Low
Vector: 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
Base score
3.3 · Low
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-18581
- https://github.com/ggml-org/llama.cpp/issues/25282
- https://drive.proton.me/urls/R8D8NGZ6Z0#C2cVZYn5z1Xc
- https://github.com/ggml-org/llama.cpp/
- https://vuldb.com/cve/CVE-2026-18581
- https://vuldb.com/submit/799118
- https://vuldb.com/vuln/385409
- https://vuldb.com/vuln/385409/cti