CVE-2026-41334

publishedCWE-636

OpenClaw before 2026.3.31 contains a decompression bomb vulnerability in image processing that fails to properly enforce pixel-limit guards on sips. Attackers can exploit this by uploading oversized images to cause denial of service through excessive memory consumption.

Technical severity7.1 highCVSS 4.0 · NVD: [email protected]

Published2026-04-23Source updated 2026-11-11

Collected2026-11-122 attributed sources

Fixes and workarounds

Fix

The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.

Source: [email protected]

Fix

openclaw (npm): OSV reports a fixed version 2026.3.31. Check the advisory for supported release branches.

Source: OSV GHSA-w85g-3h6x-4xh2

Affected products and versions

Affected products, source version ranges and reporting authorities
Product	Versions	Authority
openclaw openclaw	< 2026.3.31 (affected, custom)	NVD
openclaw `openclaw` npm	≥ 0; < 2026.3.31 (affected, semver); OSV events: introduced 0; fixed 2026.3.31 Source events (semver) `[ { "introduced": "0" }, { "fixed": "2026.3.31" } ]` Other versions: unaffected	OSV GHSA-w85g-3h6x-4xh2

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

NVD applicability configurations (1)

These expressions retain AND/OR operators, negation, and required environmental products. A listed product is not sufficient to establish exposure when additional conditions apply.

[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
            "versionEndExcluding": "2026.3.31",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / score	Vector	Authority
4.0 / 7.1 high	`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X`	NVD: [email protected]
3.1 / 6.5 medium	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H`	NVD: [email protected]

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

https://github.com/openclaw/openclaw/commit/0ed4f8a72bb140045962e97ab01c94c076b758a4[email protected] · Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-w85g-3h6x-4xh2[email protected] · Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-decompression-bomb-denial-of-service-via-image-pixel-limit-guard-bypass[email protected] · Third Party Advisory
https://github.com/advisories/GHSA-w85g-3h6x-4xh2OSV / GitHub Security Advisories · advisory
https://osv.dev/vulnerability/GHSA-w85g-3h6x-4xh2OSV / GitHub Security Advisories · osv

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