CVE-2026-35618
CWE-294Published: April 9, 2026· Updated: Apr 13, 2026
Official Description
OpenClaw before 2026.3.23 contains a replay identity vulnerability in Plivo V2 signature verification that allows attackers to bypass replay protection by modifying query parameters. The verification path derives replay keys from the full URL including query strings instead of the canonicalized base URL, enabling attackers to mint new verified request keys through unsigned query-only changes to signed requests.
Technical Analysis
CVE-2026-35618 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 6.5.
A proof-of-concept (PoC) exploit exists for CVE-2026-35618. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (4)
Quick Facts
Related CVEs (CWE-294)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-35618 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts