Vulnerability · Published Sep 1, 2026 · Assigned by mitre
CVE-2026-52130
High 7.5
In plain English
A high-severity security flaw in the llama.cpp package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 57.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
llama.cpp b5693 and before is vulnerable to Uncontrolled Recursion in common/json-schema-to-grammar.cpp, resulting in a denial of service.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:14 | llama.cpp | no fix listed | DEBIAN-CVE-2026-52130 |
| Ubuntu:26.04:LTS | llama.cpp | no fix listed | UBUNTU-CVE-2026-52130 |
| Ubuntu:26.10 | llama.cpp | no fix listed | UBUNTU-CVE-2026-52130 |
Affected products (as reported)
Weakness: CWE-674 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H