HOMEVULNERABILITIESCVE-2026-35624
MEDIUMPOC

CVE-2026-35624

CWE-807Published: April 9, 2026· Updated: Apr 13, 2026

4.2
CVSS v3.1
EPSS:0.05%probability of exploitation in 30 daysPercentile:15.8th

Official 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.

NVD Source

Technical Analysis

CVE-2026-35624 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2026-35624. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

All References (4)

Quick Facts

CVE IDCVE-2026-35624
CVSS Score4.2 / 10
SeverityMEDIUM
WeaknessCWE-807
CISA KEVNo
ExploitPOC
EPSS (30d)0.05%
PublishedApr 9, 2026

Related CVEs (CWE-807)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-35624 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.