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CVE-2026-35624

OpenClaw < 2026.3.22 - Policy Confusion via Room Name Collision in Nextcloud Talk

2.3 LowFix available

OpenClaw before 2026.3.22 contains a policy confusion vulnerability in room authorization that matches colliding room names instead of stable room tokens. Attackers can exploit similarly named rooms to bypass allowlist policies and gain unauthorized access to protected Nextcloud Talk rooms.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.25%Up 0.2 points since Apr 10, 2026
90%50%10%1%

What each source reports

CVE List Score used 2.3

OpenClaw < 2026.3.22 - Policy Confusion via Room Name Collision in Nextcloud Talk

OpenClaw before 2026.3.22 contains a policy confusion vulnerability in room authorization that matches colliding room names instead of stable room tokens. Attackers can exploit similarly named rooms to bypass allowlist policies and gain unauthorized access to protected Nextcloud Talk rooms.

Record
CVE-2026-35624
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
4.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-807
Updated
2026-11-02
EUVDEUVD-2026-21106 2.3

OpenClaw before 2026.3.22 contains a policy confusion vulnerability in room authorization that matches colliding room names instead of stable room tokens. Attackers can exploit similarly named rooms to bypass allowlist policies and gain unauthorized access to protected Nextcloud Talk rooms.

Record
EUVD-2026-21106
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-5f7h-p83x-5vc2 2.3

Duplicate Advisory: OpenClaw: Nextcloud Talk room allowlist matched colliding room names instead of stable room tokens

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-xhq5-45pm-2gjr. This link is maintained to preserve external references.

Original Description

OpenClaw before 2026.3.22 contains a policy confusion vulnerability in room authorization that matches colliding room names instead of stable room tokens. Attackers can exploit similarly named rooms to bypass allowlist policies and gain unauthorized access to protected Nextcloud Talk rooms.

Record
GHSA-5f7h-p83x-5vc2
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/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
4.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-807
Updated
2026-11-02
GitHub AdvisoriesGHSA-xhq5-45pm-2gjr 2.3

OpenClaw: Nextcloud Talk room allowlist matched colliding room names instead of stable room tokens

Summary

Nextcloud Talk room authorization matched on collidable room names instead of the stable room token, allowing policy confusion across similarly named rooms.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Affected: < 2026.3.22
  • Fixed: >= 2026.3.22
  • Latest released tag checked: v2026.3.23-2 (630f1479c44f78484dfa21bb407cbe6f171dac87)
  • Latest published npm version checked: 2026.3.23-2

Fix Commit(s)

  • a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66

Release Status

The fix shipped in v2026.3.22 and remains present in v2026.3.23 and v2026.3.23-2.

Code-Level Confirmation

  • extensions/nextcloud-talk/src/inbound.ts now resolves allowlist policy from roomToken-backed room identity.
  • extensions/nextcloud-talk/src/policy.ts now keys room authorization on stable room tokens instead of display names.

OpenClaw thanks @zpbrent for reporting.

Record
GHSA-xhq5-45pm-2gjr
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
4.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-639, CWE-807, CWE-863
Updated
2026-11-02
NVD 2.3

OpenClaw before 2026.3.22 contains a policy confusion vulnerability in room authorization that matches colliding room names instead of stable room tokens. Attackers can exploit similarly named rooms to bypass allowlist policies and gain unauthorized access to protected Nextcloud Talk rooms.

Record
CVE-2026-35624
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/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
4.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-807
Updated
2026-11-12
OSV 2.3

OpenClaw < 2026.3.22 - Policy Confusion via Room Name Collision in Nextcloud Talk

OpenClaw before 2026.3.22 contains a policy confusion vulnerability in room authorization that matches colliding room names instead of stable room tokens. Attackers can exploit similarly named rooms to bypass allowlist policies and gain unauthorized access to protected Nextcloud Talk rooms.

Record
CVE-2026-35624
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-807
Updated
2026-11-02
OSVGHSA-5f7h-p83x-5vc2 2.3

Duplicate Advisory: OpenClaw: Nextcloud Talk room allowlist matched colliding room names instead of stable room tokens

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-xhq5-45pm-2gjr. This link is maintained to preserve external references.

Original Description

OpenClaw before 2026.3.22 contains a policy confusion vulnerability in room authorization that matches colliding room names instead of stable room tokens. Attackers can exploit similarly named rooms to bypass allowlist policies and gain unauthorized access to protected Nextcloud Talk rooms.

Record
GHSA-5f7h-p83x-5vc2
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/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
4.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-807
Updated
2026-11-02
OSVGHSA-xhq5-45pm-2gjr 2.3

OpenClaw: Nextcloud Talk room allowlist matched colliding room names instead of stable room tokens

Summary

Nextcloud Talk room authorization matched on collidable room names instead of the stable room token, allowing policy confusion across similarly named rooms.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Affected: < 2026.3.22
  • Fixed: >= 2026.3.22
  • Latest released tag checked: v2026.3.23-2 (630f1479c44f78484dfa21bb407cbe6f171dac87)
  • Latest published npm version checked: 2026.3.23-2

Fix Commit(s)

  • a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66

Release Status

The fix shipped in v2026.3.22 and remains present in v2026.3.23 and v2026.3.23-2.

Code-Level Confirmation

  • extensions/nextcloud-talk/src/inbound.ts now resolves allowlist policy from roomToken-backed room identity.
  • extensions/nextcloud-talk/src/policy.ts now keys room authorization on stable room tokens instead of display names.

OpenClaw thanks @zpbrent for reporting.

Record
GHSA-xhq5-45pm-2gjr
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
4.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-639, CWE-807, CWE-863
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openclaw
npm
before 2026.3.22
2026.3.22

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-2026-35624 is a low vulnerability (CVSS 2.3) in Openclaw, published March 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. Fixed in openclaw 2026.3.22.

References

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