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CVE-2026-44695

Outline: Slack OAuth state can link a victim Outline account to an attacker Slack identity PUBLISHED

Description (CNA)

Outline is a service that allows for collaborative documentation. Prior to 1.7.1, the Slack integration callback for GET /auth/slack.post accepts an unsigned, session-independent OAuth state value. A third party who can obtain a Slack OAuth code for the same Outline Slack client can make a logged-in Outline user complete the callback and link that user's Outline account to the attacker's Slack team_id and user_id. The linked Slack identity can then use the Slack /outline search command as the victim Outline user. This vulnerability is fixed in 1.7.1.

Affected (CNA)

Vendor / productVersions
outline / outlineaffected < 1.7.1

CWE

CWE-352

References

ADP enrichment

CISA-ADP

No English description supplied.