CVE-2026-29612
OpenClaw < 2026.2.14 - Denial of Service via Large Base64 Media File Decoding
- State
- Published
- Severity
- 6.8 Medium
- Published
- Mar 5, 2026
- Updated
- Mar 9, 2026
- Reserved
- Mar 4, 2026
Description
OpenClaw versions prior to 2026.2.14 decode base64-backed media inputs into buffers before enforcing decoded-size budget limits, allowing attackers to trigger large memory allocations. Remote attackers can supply oversized base64 payloads to cause memory pressure and denial of service.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-770 Allocation of Resources Without Limits or Throttling
Affected Products
| Product | Versions |
|---|---|
OpenClawOpenClaw |
|
References
- GitHub Security Advisory (GHSA-w2cg-vxx6-5xjg)vendor-advisory
- Patch Commitpatch
- VulnCheck Advisory: OpenClaw < 2026.2.14 - Denial of Service via Large Base64 Media File Decodingthird-party-advisory
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