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HIGH severity

OpenClaw: Discord event cover images bypassed sandbox media normalizationGHSA-c9h3-5p7r-mrjh

HIGHFix: openclaw/openclaw#64377

GHSA-c9h3-5p7r-mrjh is a high-severity (CVSS 7.7) CWE-184 vulnerability in openclaw. A fix is available for openclaw — see the affected versions and patch details below.

Also known asCVE-2026-43532
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-c9h3-5p7r-mrjh.

EPSS Exploitation Probability

via FIRST.org ↗
0.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs18th percentile — riskier than 18% of all scored CVEsHighest risk
0.00%0.32%0.64%0.96%0.0%0.3%Jun 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.

133other npm packages depend on this — each one inherits the vulnerability until it's patched upstream
openclawnpm
3.0Mdownloads / week

Description

Summary

Discord event cover images bypassed sandbox media normalization.

Affected Packages / Versions

  • Package: openclaw
  • Ecosystem: npm
  • Affected versions: >= 2026.4.7 < 2026.4.10
  • Patched versions: >= 2026.4.10

Impact

Discord event cover image parameters could bypass the sandbox media normalization path used for outbound local media, allowing host-local media references to reach a channel action path that expected normalized media.

Technical Details

The fix includes Discord eventCreate.image in sandbox media normalization and adds coverage for the event-create media path.

Fix

The issue was fixed in #64377. The first stable tag containing the fix is v2026.4.10, and [email protected] includes the fix.

Fix Commit(s)

  • 979c6f09d6fad96596feb91c905934be7e0b4f15
  • PR: #64377

Release Process Note

Users should upgrade to openclaw 2026.4.10 or newer. The latest npm release, 2026.4.14, already includes the fix.

Credits

Thanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
📦npmopenclaw≥ 2026.4.7&&< 2026.4.102026.4.10npm install openclaw@2026.4.10

Affected Products

1 product · 1 configurations
Application
openclawopenclaw
≥ 2026.4.7 && < 2026.4.10
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for openclaw, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update openclaw to 2026.4.10 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-c9h3-5p7r-mrjh is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

## Summary Discord event cover images bypassed sandbox media normalization. ## Affected Packages / Versions - Package: `openclaw` - Ecosystem: npm - Affected versions: `>= 2026.4.7 < 2026.4.10` - Patched versions: `>= 2026.4.10` ## Impact Discord event cover image parameters could bypass the sandbox media normalization path used for outbound local media, allowing host-local media references to reach a channel action path that expected normalized media. ## Technical Details The fix includes Discord `eventCreate.image` in sandbox media normalization and adds coverage for the event-create
O3 Security · Impact-Aware SCA

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OpenClaw: Discord event cover images bypassed…