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OpenClaw before 2026.4.22 derives loopback MCP owner context from spoofable server-issued bearer tokens in request headers. Non-owner loopback clients can present themselves as owner to bypass owner-gated operations by manipulating the sender-owner header metadata.
Read the publisher's advisoryOpenClaw before 2026.4.22 derives loopback MCP owner context from spoofable server-issued bearer tokens in request headers. Non-owner loopback clients can present themselves as owner to bypass owner-gated operations by manipulating the sender-owner header metadata.
Read the publisher's advisoryOpenClaw before 2026.4.22 derives loopback MCP owner context from spoofable server-issued bearer tokens in request headers. Non-owner loopback clients can present themselves as owner to bypass owner-gated operations by manipulating the sender-owner header metadata.
Read the publisher's advisory## Summary MCP loopback owner context is derived from server-issued bearer tokens. ## Affected Packages / Versions - Package: openclaw (npm) - Affected versions: <= 2026.4.21 - Fixed version: 2026.4.22 ## Impact The loopback MCP path accepted spoofable owner-context metadata from request headers, which could allow a non-owner loopback client to present itself as owner for owner-gated operations. ## Fix The MCP loopback runtime now issues separate owner and non-owner bearer tokens and derives senderIsOwner exclusively from which token authenticated the request. The spoofable sender-owner header is no longer emitted or trusted. ## Fix Commit(s) - 3cb1a56bfc9579a0f2336f9cfa12a8a744332a19 ## Verification - The fix commit is contained in the public v2026.4.22 tag. - [email protected] is published on npm and the compiled package contains the fix. - Focused regression coverage for this path passed before publication. OpenClaw thanks @VladimirEliTokarev for reporting.
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euvd · EUVD-2026-28201 · Published
euvd · EUVD-2026-28201 · Published
euvd · EUVD-2026-28201 · Published
euvd · EUVD-2026-28201 · Published
euvd · EUVD-2026-28201 · Published
euvd · EUVD-2026-28201 · Published
euvd · EUVD-2026-28201 · Published
euvd · EUVD-2026-28201 · Published
nvd · CVE-2026-44118 · Published
osv · GHSA-r6xh-pqhr-v4xh · Published
cve-program · CVE-2026-44118 · Published