{"id":"CVE-2026-41334","aliases":["EUVD-2026-25318","GHSA-72fj-c222-7598","GHSA-w85g-3h6x-4xh2"],"status":"published","title":"OpenClaw \u003c 2026.3.31 - Decompression Bomb Denial of Service via Image Pixel-Limit Guard Bypass","description":"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.","severity":{"version":"4.0","score":7.1,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00315,"percentile":0.24649,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-636","CWE-770"],"published":"2026-04-03T03:01:18Z","modified":"2026-10-28T02:31:14Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.3.31"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2026.3.28"},{"fixed":"2026.3.31"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.31"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-w85g-3h6x-4xh2","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/0ed4f8a72bb140045962e97ab01c94c076b758a4","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-decompression-bomb-denial-of-service-via-image-pixel-limit-guard-bypass","tags":["third-party-advisory","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41334","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-72fj-c222-7598"},{"url":"https://github.com/openclaw/openclaw/releases/tag/v2026.3.31","tags":["web"]},{"url":"https://github.com/advisories/GHSA-w85g-3h6x-4xh2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41334.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-41334","title":"OpenClaw \u003c 2026.3.31 - Decompression Bomb Denial of Service via Image Pixel-Limit Guard Bypass","description":"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.","status":"published","published":"2026-04-23T21:57:54.564Z","modified":"2026-04-24T16:41:10.107Z","cvss":[{"version":"4.0","score":7.1,"vector":"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","level":"high","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-636"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-25318","description":"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.","status":"published","published":"2026-04-23T21:57:54Z","modified":"2026-04-24T16:41:10Z","cvss":[{"version":"4.0","score":7.1,"vector":"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","level":"high"}],"updated_at":"2026-11-02T19:24:18.224827Z"}],"ghsa":[{"id":"GHSA-72fj-c222-7598","title":"OpenClaw before 2026.3.31 contains a decompression bomb vulnerability in image processing that...","description":"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.","status":"published","published":"2026-04-24T00:31:51Z","modified":"2026-04-24T00:31:58Z","cvss":[{"version":"4.0","score":7.1,"vector":"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","level":"high"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-636"],"updated_at":"2026-11-02T15:07:37.11234Z"},{"id":"GHSA-w85g-3h6x-4xh2","title":"OpenClaw: Image pixel-limit guard can fail open on sips and allow decompression-bomb DoS","description":"## Summary\nImage pixel-limit guard can fail open on sips and allow decompression-bomb DoS\n\n## Current Maintainer Triage\n- Status: open\n- Normalized severity: medium\n- Assessment: Shipped v2026.3.28 image processing could fail open on oversized pixel counts and allow decompression-bomb DoS, an availability issue that is valid at medium.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `\u003c=2026.3.28`\n- Patched versions: `\u003e= 2026.3.31`\n- First stable tag containing the fix: `v2026.3.31`\n\n## Fix Commit(s)\n- `0ed4f8a72bb140045962e97ab01c94c076b758a4` — 2026-03-31T22:52:55+09:00\n\nOpenClaw thanks @AntAISecurityLab for reporting.","status":"published","published":"2026-04-03T03:01:18Z","modified":"2026-04-03T03:01:18Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:39:47.945242Z"}],"nvd":[{"id":"CVE-2026-41334","description":"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.","status":"published","published":"2026-04-23T22:16:39.263Z","modified":"2026-06-17T10:46:31.77Z","cvss":[{"version":"4.0","score":7.1,"vector":"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","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-636"],"updated_at":"2026-11-02T14:12:15.867234Z"}],"osv":[{"id":"CVE-2026-41334","title":"OpenClaw \u003c 2026.3.31 - Decompression Bomb Denial of Service via Image Pixel-Limit Guard Bypass","description":"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.","status":"published","published":"2026-04-23T21:57:54.564Z","modified":"2026-10-28T02:31:14.080685701Z","cvss":[{"version":"4.0","score":7.1,"vector":"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","level":"high"}],"cwes":["CWE-636"],"updated_at":"2026-11-02T15:45:03.764807Z"},{"id":"GHSA-w85g-3h6x-4xh2","title":"OpenClaw: Image pixel-limit guard can fail open on sips and allow decompression-bomb DoS","description":"## Summary\nImage pixel-limit guard can fail open on sips and allow decompression-bomb DoS\n\n## Current Maintainer Triage\n- Status: open\n- Normalized severity: medium\n- Assessment: Shipped v2026.3.28 image processing could fail open on oversized pixel counts and allow decompression-bomb DoS, an availability issue that is valid at medium.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `\u003c=2026.3.28`\n- Patched versions: `\u003e= 2026.3.31`\n- First stable tag containing the fix: `v2026.3.31`\n\n## Fix Commit(s)\n- `0ed4f8a72bb140045962e97ab01c94c076b758a4` — 2026-03-31T22:52:55+09:00\n\nOpenClaw thanks @AntAISecurityLab for reporting.","status":"published","published":"2026-04-03T03:01:18Z","modified":"2026-07-08T08:12:42.862897346Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:46:58.401149Z"}]}}