Low severity · published Aug 3, 2026
CVE-2026-18581
ggml-org llama.cpp Jinja Minja Template parser.cpp assertion
3.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LL
llama.cpp · ggml-org
e15efe0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18581
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18581
drive.proton.me
https://drive.proton.me/urls/R8D8NGZ6Z0#C2cVZYn5z1Xc
github.com
https://github.com/ggml-org/llama.cpp/
github.com
https://github.com/ggml-org/llama.cpp/issues/25282
vuldb.com
https://vuldb.com/cve/CVE-2026-18581
vuldb.com
https://vuldb.com/submit/799118
vuldb.com
https://vuldb.com/vuln/385409
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