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CVE-2026-32053

OpenClaw < 2026.2.23 - Twilio Webhook Replay Bypass via Randomized Event ID Normalization

6.9 MediumFix available

OpenClaw versions prior to 2026.2.23 contain a vulnerability in Twilio webhook event deduplication where normalized event IDs are randomized per parse, allowing replay events to bypass manager dedupe checks. Attackers can replay Twilio webhook events to trigger duplicate or stale call-state transitions, potentially causing incorrect call handling and state corruption.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
Low

Exploit likelihood

0.36%Up 0.3 points since Mar 21, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.9

OpenClaw < 2026.2.23 - Twilio Webhook Replay Bypass via Randomized Event ID Normalization

OpenClaw versions prior to 2026.2.23 contain a vulnerability in Twilio webhook event deduplication where normalized event IDs are randomized per parse, allowing replay events to bypass manager dedupe checks. Attackers can replay Twilio webhook events to trigger duplicate or stale call-state transitions, potentially causing incorrect call handling and state corruption.

Record
CVE-2026-32053
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness
CWE-294
Updated
2026-11-02
EUVDEUVD-2026-13954 6.9

OpenClaw versions prior to 2026.2.23 contain a vulnerability in Twilio webhook event deduplication where normalized event IDs are randomized per parse, allowing replay events to bypass manager dedupe checks. Attackers can replay Twilio webhook events to trigger duplicate or stale call-state transitions, potentially causing incorrect call handling and state corruption.

Record
EUVD-2026-13954
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-3r78-rqg8-95gg 6.9

Duplicate Advisory: OpenClaw's voice-call Twilio webhook replay could bypass manager dedupe because normalized event IDs were randomized per parse

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-vqx8-9xxw-f2m7. This link is maintained to preserve external references.

Original Description

OpenClaw versions prior to 2026.2.23 contain a vulnerability in Twilio webhook event deduplication where normalized event IDs are randomized per parse, allowing replay events to bypass manager dedupe checks. Attackers can replay Twilio webhook events to trigger duplicate or stale call-state transitions, potentially causing incorrect call handling and state corruption.

Record
GHSA-3r78-rqg8-95gg
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness
CWE-294
Updated
2026-11-02
GitHub AdvisoriesGHSA-vqx8-9xxw-f2m7 6.9

OpenClaw's voice-call Twilio webhook replay could bypass manager dedupe because normalized event IDs were randomized per parse

Impact

Twilio webhook replay events could bypass voice-call manager dedupe because normalized event IDs were randomized per parse. A replayed event could be treated as new and trigger duplicate or stale call-state transitions.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Vulnerable versions: <= 2026.2.22-2
  • Patched version (released): >= 2026.2.23

Remediation

The fix preserves provider event IDs through normalization, adds bounded replay dedupe in webhook security validation, and enforces per-call turn-token checks on call-state transitions.

Fix Commit(s)

  • 1d28da55a5d0ff409e34999e0961157e9db0a2ab

Release Process Note

patched_versions is pre-set to the released version (2026.2.23) This advisory now reflects released fix version 2026.2.23.2.23`.

OpenClaw thanks @jiseoung for reporting.

Record
GHSA-vqx8-9xxw-f2m7
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-294, CWE-863
Updated
2026-11-02
NVD 6.9

OpenClaw versions prior to 2026.2.23 contain a vulnerability in Twilio webhook event deduplication where normalized event IDs are randomized per parse, allowing replay events to bypass manager dedupe checks. Attackers can replay Twilio webhook events to trigger duplicate or stale call-state transitions, potentially causing incorrect call handling and state corruption.

Record
CVE-2026-32053
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness
CWE-294
Updated
2026-11-02
OSV 6.9

OpenClaw < 2026.2.23 - Twilio Webhook Replay Bypass via Randomized Event ID Normalization

OpenClaw versions prior to 2026.2.23 contain a vulnerability in Twilio webhook event deduplication where normalized event IDs are randomized per parse, allowing replay events to bypass manager dedupe checks. Attackers can replay Twilio webhook events to trigger duplicate or stale call-state transitions, potentially causing incorrect call handling and state corruption.

Record
CVE-2026-32053
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-294
Updated
2026-11-02
OSVGHSA-3r78-rqg8-95gg 6.9

Duplicate Advisory: OpenClaw's voice-call Twilio webhook replay could bypass manager dedupe because normalized event IDs were randomized per parse

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-vqx8-9xxw-f2m7. This link is maintained to preserve external references.

Original Description

OpenClaw versions prior to 2026.2.23 contain a vulnerability in Twilio webhook event deduplication where normalized event IDs are randomized per parse, allowing replay events to bypass manager dedupe checks. Attackers can replay Twilio webhook events to trigger duplicate or stale call-state transitions, potentially causing incorrect call handling and state corruption.

Record
GHSA-3r78-rqg8-95gg
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness
CWE-294
Updated
2026-11-02
OSVGHSA-vqx8-9xxw-f2m7 6.9

OpenClaw's voice-call Twilio webhook replay could bypass manager dedupe because normalized event IDs were randomized per parse

Impact

Twilio webhook replay events could bypass voice-call manager dedupe because normalized event IDs were randomized per parse. A replayed event could be treated as new and trigger duplicate or stale call-state transitions.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Vulnerable versions: <= 2026.2.22-2
  • Patched version (released): >= 2026.2.23

Remediation

The fix preserves provider event IDs through normalization, adds bounded replay dedupe in webhook security validation, and enforces per-call turn-token checks on call-state transitions.

Fix Commit(s)

  • 1d28da55a5d0ff409e34999e0961157e9db0a2ab

Release Process Note

patched_versions is pre-set to the released version (2026.2.23) This advisory now reflects released fix version 2026.2.23.2.23`.

OpenClaw thanks @jiseoung for reporting.

Record
GHSA-vqx8-9xxw-f2m7
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-294, CWE-863
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openclaw
npm
 before 2026.2.23
2026.2.23

History

History
RecordedChangedSources
affected
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-32053 is a medium vulnerability (CVSS 6.9) in Openclaw, published March 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. Fixed in openclaw 2026.2.23.

References

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