CVE-2026-62208: OpenClaw < 2026.6.5 Authorization Header Forwarding via SSE

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-17 · updated 2026-07-20
Weakness: CWE-522

Description

OpenClaw before 2026.6.5 could forward Authorization headers during MCP SSE redirects. When the affected feature is enabled and reachable, a lower-trust caller or configured input path could execute or persist actions beyond the caller's intended authorization. Impact depends on the operator's configuration and whether lower-trust input can reach the affected path.

Affected products

OpenClaw: before 2026.6.5 — fixed in 2026.6.5

How to fix

Upgrade to a fixed version: OpenClaw 2026.6.5. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-9c3v-684m-579c
https://www.vulncheck.com/advisories/openclaw-authorization-header-forwarding-via-sse

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