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MEDIUM severity

OpenClaw: BlueBubbles Webhook Missing Rate Limiting Enables Brute-Force Password GuessingGHSA-xq8g-hgh6-87hv

MEDIUMFix: openclaw/openclaw@5e08ce3

GHSA-xq8g-hgh6-87hv is a medium-severity (CVSS 4.8) CWE-307 vulnerability in openclaw. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Also known asCVE-2026-35623
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 9, 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-xq8g-hgh6-87hv.

EPSS Exploitation Probability

via FIRST.org ↗
0.4%probability of exploitation in next 30 days
Lower Risk+0.01%
Lower risk than most CVEs32th percentile — riskier than 32% of all scored CVEsHighest risk
0.00%0.34%0.68%1.01%0.1%0.4%May 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
2.9Mdownloads / week

Description

Summary

BlueBubbles Webhook Missing Guess Rate Limiting Enables Brute-Force Guessing of Weak Webhook Password

Affected Packages / Versions

  • Package: openclaw
  • Affected versions: <= 2026.3.24
  • First patched version: 2026.3.25
  • Latest published npm version at verification time: 2026.3.24

Details

BlueBubbles webhook auth previously rejected wrong passwords without throttling repeated guesses, allowing brute-force attempts against weak webhook passwords. Commit 5e08ce36d522a1c96df2bfe88e39303ae2643d92 adds repeated-guess throttling before auth failure responses.

Verified vulnerable on tag v2026.3.24 and fixed on main by commit 5e08ce36d522a1c96df2bfe88e39303ae2643d92.

Fix Commit(s)

  • 5e08ce36d522a1c96df2bfe88e39303ae2643d92

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
📦npmopenclawall versionsNo fix

Affected Products

1 product · 1 configurations
Application
openclawopenclaw
< 2026.3.25
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. Remediation status

    The records we use list no patched version of openclaw for GHSA-xq8g-hgh6-87hv. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    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 BlueBubbles Webhook Missing Guess Rate Limiting Enables Brute-Force Guessing of Weak Webhook Password ## Affected Packages / Versions - Package: `openclaw` - Affected versions: `<= 2026.3.24` - First patched version: `2026.3.25` - Latest published npm version at verification time: `2026.3.24` ## Details BlueBubbles webhook auth previously rejected wrong passwords without throttling repeated guesses, allowing brute-force attempts against weak webhook passwords. Commit `5e08ce36d522a1c96df2bfe88e39303ae2643d92` adds repeated-guess throttling before auth failure responses. Verifi
O3 Security · Impact-Aware SCA

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OpenClaw: BlueBubbles Webhook Missing Rate Limiting…