CVE-2026-44695
Last modified
CVE-2026-44695 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.13% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Getoutline | Outline | < 1.7.1 |
References
- https://github.com/outline/outline/security/advisories/GHSA-mjgw-5j7q-gv8vExploit, Vendor Advisory
- https://github.com/outline/outline/security/advisories/GHSA-mjgw-5j7q-gv8vExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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