HOMEVULNERABILITIESCVE-2026-35657
MEDIUMPOC

CVE-2026-35657

CWE-863Published: April 10, 2026· Updated: Apr 13, 2026

6.5
CVSS v3.1

Official Description

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability in the HTTP /sessions/:sessionKey/history route that skips operator.read scope validation. Attackers can access session history without proper operator read permissions by sending HTTP requests to the vulnerable endpoint.

NVD Source

Technical Analysis

CVE-2026-35657 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 successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.

A proof-of-concept (PoC) exploit exists for CVE-2026-35657. 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 ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

openclaw1 product
openclaw
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/openclaw/openclaw/commit/1c45123231516fa50f8cf8522ba5ff2fb2ca7aea
ADVISORYhttps://github.com/openclaw/openclaw/security/advisories/GHSA-5jvj-hxmh-6h6j
ADVISORYhttps://www.vulncheck.com/advisories/openclaw-authorization-bypass-in-http-session-history-route

All References (3)

→
https://github.com/openclaw/openclaw/commit/1c45123231516fa50f8cf8522ba5ff2fb2ca7aeaPatch
→
https://github.com/openclaw/openclaw/security/advisories/GHSA-5jvj-hxmh-6h6jVendor Advisory
→
https://www.vulncheck.com/advisories/openclaw-authorization-bypass-in-http-session-history-routeThird Party Advisory

Quick Facts

CVE IDCVE-2026-35657
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-863
CISA KEVNo
ExploitPOC
Affected1 vendor
PublishedApr 10, 2026

Related CVEs (CWE-863)

CVE-2026-44330
10.0
CVE-2026-48303
10.0
CVE-2026-48286
10.0
CVE-2026-41283
9.9
CVE-2026-28466
9.9
CVE-2026-41050
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-35657 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.
← All Vulnerabilities·Search for CVE-2026-35657·NVD