CVE-2026-41337: OpenClaw before 2026.3.31 contains a callback origin mutation vulnerability in Plivo voice-call replay that al

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2026-41337 is a medium-severity flaw (CVSS 5.3) affecting openclaw. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OpenClaw before 2026.3.31 contains a callback origin mutation vulnerability in Plivo voice-call replay that allows attackers to mutate in-process callback origin before replay rejection. Attackers with captured valid callbacks for live calls can exploit this to manipulate callback origins during the replay process.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-367
Published	2026-04-23
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: openclaw

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-23 22:16 UTCPublished CVE record published
2026-06-17 10:46 UTCUpdated Record last modified

openclaw openclaw UPGRADE

Affected: < 2026.3.31

Fixed in: 2026.3.31

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls openclaw

2. UPGRADE to 2026.3.31

npm install openclaw@">=2026.3.31"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-41337?

openclaw: upgrade to 2026.3.31. Exact commands for each OS are on this page.

Is CVE-2026-41337 being exploited?

CVE-2026-41337 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-41337 affect?

CVE-2026-41337 affects openclaw. Severity is medium (CVSS 5.3). OpenClaw before 2026.3.31 contains a callback origin mutation vulnerability in Plivo voice-call replay that allows attackers to mutate in-process callback origin before replay rejection. Attackers with captured valid callbacks for live call

How urgent is CVE-2026-41337?

Priority 27/100. Remotely exploitable, no login, no user action

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References

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