CVE-2026-41334
OpenClaw < 2026.3.31 - Decompression Bomb Denial of Service via Image Pixel-Limit Guard Bypass
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.1
OpenClaw < 2026.3.31 - Decompression Bomb Denial of Service via Image Pixel-Limit Guard Bypass
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.
- Record
CVE-2026-41334- CVSS 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 - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-636
- Updated
- 2026-11-02
EUVDEUVD-2026-25318
7.1
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.
- Record
EUVD-2026-25318- CVSS 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-72fj-c222-7598
7.1
OpenClaw before 2026.3.31 contains a decompression bomb vulnerability in image processing that...
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.
- Record
GHSA-72fj-c222-7598- CVSS 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 - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-636
- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w85g-3h6x-4xh2
6.9
OpenClaw: Image pixel-limit guard can fail open on sips and allow decompression-bomb DoS
Summary
Image pixel-limit guard can fail open on sips and allow decompression-bomb DoS
Current Maintainer Triage
- Status: open
- Normalized severity: medium
- 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.
Affected Packages / Versions
- Package:
openclaw(npm) - Latest published npm version:
2026.3.31 - Vulnerable version range:
<=2026.3.28 - Patched versions:
>= 2026.3.31 - First stable tag containing the fix:
v2026.3.31
Fix Commit(s)
0ed4f8a72bb140045962e97ab01c94c076b758a4— 2026-03-31T22:52:55+09:00
OpenClaw thanks @AntAISecurityLab for reporting.
- Record
GHSA-w85g-3h6x-4xh2- CVSS 4.0
- 6.9 Medium
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 - Weakness
- CWE-770
- Updated
- 2026-11-02
NVD
7.1
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.
- Record
CVE-2026-41334- CVSS 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 - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-636
- Updated
- 2026-11-02
OSV
7.1
OpenClaw < 2026.3.31 - Decompression Bomb Denial of Service via Image Pixel-Limit Guard Bypass
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.
- Record
CVE-2026-41334- CVSS 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 - Weakness
- CWE-636
- Updated
- 2026-11-02
OSVGHSA-w85g-3h6x-4xh2
6.9
OpenClaw: Image pixel-limit guard can fail open on sips and allow decompression-bomb DoS
Summary
Image pixel-limit guard can fail open on sips and allow decompression-bomb DoS
Current Maintainer Triage
- Status: open
- Normalized severity: medium
- 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.
Affected Packages / Versions
- Package:
openclaw(npm) - Latest published npm version:
2026.3.31 - Vulnerable version range:
<=2026.3.28 - Patched versions:
>= 2026.3.31 - First stable tag containing the fix:
v2026.3.31
Fix Commit(s)
0ed4f8a72bb140045962e97ab01c94c076b758a4— 2026-03-31T22:52:55+09:00
OpenClaw thanks @AntAISecurityLab for reporting.
- Record
GHSA-w85g-3h6x-4xh2- CVSS 4.0
- 6.9 Medium
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 - Weakness
- CWE-770
- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-41334 is a high vulnerability (CVSS 7.1) in Openclaw, published April 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. Fixed in openclaw 2026.3.31.
References
github.com/openclaw/openclaw/security/advisories/GHSA-w85g-3h6x-4xh2
github.com/openclaw/openclaw/commit/0ed4f8a72bb140045962e97ab01c94c076b758a4
vulncheck.com/advisories/openclaw-decompression-bomb-denial-of-service-via-image-pixel-limit-guard-bypass
nvd.nist.gov/vuln/detail/CVE-2026-41334
github.com/advisories/GHSA-72fj-c222-7598
github.com/openclaw/openclaw/releases/tag/v2026.3.31
github.com/advisories/GHSA-w85g-3h6x-4xh2
github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41334.json
github.com/openclaw/openclaw