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🛡️ CVE-2026-41331 — openclaw

🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-408 OSV
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

OpenClaw: Telegram audio preflight transcription enables resource consumption by unauthorized senders

Summary

Telegram audio preflight transcription enables resource consumption by unauthorized senders

Current Maintainer Triage

  • Status: narrow
  • Normalized severity: medium
  • Assessment: v2026.3.28 still lets unauthorized Telegram group senders trigger audio preflight before allowlist enforcement, but the real impact is resource or billing burn rather than direct data exposure or host compromise.

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)

  • c4fa8635d03943ffe9e294d501089521dca635c5 — 2026-03-30T12:19:31+01:00

OpenClaw thanks @AntAISecurityLab for reporting.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. Rated impact: confidentiality none, integrity none, availability low.

CVSS metrics in full

The score comes from this 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

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Attack requirements: None — no deployment-specific condition has to hold.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Confidentiality impact: None.
  • Integrity impact: None.
  • Availability impact: Low — limited, and the attacker does not choose what is affected.

Weakness class

CVE-2026-41331 is classified as CWE-408: Incorrect Behavior Order: Early Amplification. The product allows an entity to perform a legitimate but expensive operation before authentication or authorization has taken place.

Affected software

CVE-2026-41331 is recorded against 1 package.

  • openclaw

Timeline and source

Published on 3 April 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
github.com (Web)
www.vulncheck.com (Web)

Other advisories for this package

openclaw has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-408: Incorrect Behavior Order: Early Amplification) in other software:

Details

Severity MEDIUM
CVSS Score 5.3
CVSS 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
CWE CWE-408
Public Exploit ✅ No
Source OSV
Published 2026-04-03
Updated 2026-08-20
Modified 2026-06-17

Affected Packages

Software From version Fixed in
openclaw — —

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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