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CVE

CVE-2026-34426

OpenClaw: Windows media loaders accepted remote-host file URLs before local path validation
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CVE

CVE-2026-34426

OpenClaw: Windows media loaders accepted remote-host file URLs before local path validation

Summary

Windows local-media handling accepted remote-host file URLs and UNC-style paths before local-path validation, so network-hosted file targets could be treated as local content.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Affected: < 2026.3.22
  • Fixed: >= 2026.3.22
  • Latest released tag checked: v2026.3.23-2 (630f1479c44f78484dfa21bb407cbe6f171dac87)
  • Latest published npm version checked: 2026.3.23-2

Fix Commit(s)

  • 4fd7feb0fd4ec16c48ed983980dba79a09b3aaf5
  • 93880717f1cd34feaa45e74e939b7a5256288901

Release Status

The fix shipped in v2026.3.22 and remains present in v2026.3.23 and v2026.3.23-2.

Code-Level Confirmation

  • src/infra/local-file-access.ts now rejects remote-host file: URLs and UNC/network paths as non-local input.
  • src/media/web-media.ts, src/media-understanding/attachments.normalize.ts, and src/agents/sandbox-paths.ts all route through the shared local-file guard.

OpenClaw thanks @RacerZ-fighting, @Fushuling for reporting.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
6.9
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:H/VA:N/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
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-h3x4-hc5v-v2gm, https://nvd.nist.gov/vuln/detail/CVE-2026-34426, https://github.com/openclaw/openclaw/pull/59182, https://github.com/openclaw/openclaw/commit/4fd7feb0fd4ec16c48ed983980dba79a09b3aaf5, https://github.com/openclaw/openclaw/commit/93880717f1cd34feaa45e74e939b7a5256288901, https://github.com/openclaw/openclaw/commit/b57b680c0c34de907d57f60c38fb358e82aef8f7, https://github.com/openclaw/openclaw, https://www.vulncheck.com/advisories/openclaw-approval-bypass-via-environment-variable-normalization

Severity

7.3

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.3
EPSS Probability
0.00048%
EPSS Percentile
0.15181%
Introduced Version
0
Fix Available
2026.3.22

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