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Description

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.

PUBLISHED Reserved 2026-04-20 | Published 2026-04-23 | Updated 2026-04-24 | Assigner VulnCheck




MEDIUM: 6.3CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Problem types

CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition

Product status

Default status
unaffected

Any version before 2026.3.31
affected

2026.3.31 (semver)
unaffected

Credits

zsx (@zsxsoft) reporter

KeenSecurityLab finder

References

github.com/...enclaw/security/advisories/GHSA-89r3-6x4j-v7wf (GitHub Security Advisory (GHSA-89r3-6x4j-v7wf)) vendor-advisory

github.com/...ommit/efe9183f9d2fd5e01c8068fa01f4a07a58a63c0b (Patch Commit) patch

www.vulncheck.com/...gin-mutation-in-plivo-voice-call-replay (VulnCheck Advisory: OpenClaw < 2026.3.31 - Callback Origin Mutation in Plivo Voice-call Replay) third-party-advisory

cve.org (CVE-2026-41337)

nvd.nist.gov (CVE-2026-41337)

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