ZDI-26-975: llama.cpp GGUF File Parsing Integer Overflow Remote Code Execution Vulnerability
Source Zero Day Initiative
Not known to be exploited.
Data as of 13 Nov 2026, 21:19 UTC
Rated High by Zero Day Initiative · CVSS not yet scored by NVD
Exploitation evidence
Disclosed: evidence found.
Public on cve.org; its publication date is not in this record
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
AI-suggested
Until a fix is available, users should avoid opening untrusted GGUF files or visiting untrusted web pages that might trigger this vulnerability.
Description
A remote code execution vulnerability exists in llama.cpp due to an integer overflow in GGUF file parsing. Exploitation requires user interaction, such as opening a malicious file or visiting a malicious page. The vulnerability is rated high severity with a CVSS score of 7.8 assigned by the Zero Day Initiative.