Vulnerability in Openclaw
CVE-2026-28479
OpenClaw versions prior to 2026.2.15 use SHA-1 to hash sandbox identifier cache keys for Docker and browser sandbox configurations, which is deprecated and vulnerable to collision attacks. An attacker can exploit SHA-1 collisions to cause cache poisoning, allowing one sandbox configuration to be misinterpreted as another and enabling unsafe sandbox state reuse.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Openclaw — versions 0
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-fh3f-q9qw-93j9 (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/559c8d9930eebb5356506ff1a8cd3dbaec92be77 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-cache-poisoning-via-deprecated-sha-hash-i… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-28479?
- CVE-2026-28479 is a high-severity vulnerability in Openclaw, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2026-03-05.
- How severe is CVE-2026-28479?
- High severity. CVSS v3 base score is 7.5 out of 10.