SB2025020675 - Reversible One-Way Hash in vLLM
Published: February 6, 2025 Updated: May 1, 2026
Security Bulletin ID
SB2025020675
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Reversible One-Way Hash (CVE-ID: CVE-2025-25183)
CWE-ID: CWE-328 - Use of Weak Hash
CVSSv4: 2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to interfere with subsequent responses.
The vulnerability exists due to predictable hash collisions in the prefix cache when processing maliciously constructed prompts. A remote user can intentionally populate the cache with a colliding prompt to interfere with subsequent responses.
User interaction is required.
Remediation
Install update from vendor's website.