Outline before 1.12.0 contains an improper access control vulnerability that allows unauthenticated users to read
Source GCVE Database
Not known to be exploited · CVSS 6.9 Medium : upgrade to 1.12.0 when convenient.
Data as of 2 Nov 2026, 16:47 UTC
Thin evidence
One scorer or none| CNA (VulnCheck) | CVSS 4.0 | 6.9 |
|---|---|---|
| CNA (VulnCheck) | CVSS 3.1 | 5.3 |
- Patch
- Available – fixed in 1.12.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 2 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2 Nov 2026.
What to do
Upgrade Outline to 1.12.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| OutlineOutline | Affected
| Fixed in
|
GitHubOutlinepkg:github/OutlineOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
If you cannot patch yet, restrict distribution of share links and monitor for unauthorized access attempts. Avoid relying on share revocation as it currently does not function correctly.
Description
Outline versions before 1.12.0 have an improper access control vulnerability that allows unauthenticated users to read unpublished documents. This occurs because the share loader does not respect the unpublished status of documents. Attackers with an existing share link can access withdrawn content via specific share-related routes, while attempts to revoke shares return a 404 error, preventing revocation.
References
- github.com/outline/outline/security/advisories/GHSA-rq53-m97j-f2pg (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2026-120449 (opens in a new tab)
- github.com/outline/outline/commit/d015a32459b5f5c5a8ef67aeb81742eeab430c52 (opens in a new tab)
- github.com/outline/outline/blob/v1.11.0/server/commands/shareLoader.ts (opens in a new tab)
- github.com/outline/outline/releases/tag/v1.12.0 (opens in a new tab)
- vulncheck.com/advisories/outline-before-1.12.0-improper-access-control-via-public-document-shares (opens in a new tab)