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CVE-2026-82394

Sulu: Fix authorization bypass when creating preview links

MEDIUM
5.3
CVSS Score
Published: August 31, 2026 at 09:17 PM UTC
Updated: September 8, 2026 at 09:29 PM UTC
1 product affected across 1 vendorSulu

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

Sulu is an open-source PHP content management system based on the Symfony framework. Prior to versions 2.6.25 and 3.0.8, the preview-link endpoint and src/Sulu/Bundle/PreviewBundle/Application/Manager/PreviewLinkManager.php do not enforce VIEW permission for the target resource in PreviewLinkManager::generate() or PreviewLinkManager::revoke(). An authenticated administration user who knows a target resource identifier can create or revoke a preview link for any page, article, or snippet, including content in a webspace or area the user cannot view. A generated preview URL is public and resolves content by an opaque token, allowing the user or anyone receiving the link to read restricted content without authentication. This issue is fixed in versions 2.6.25 and 3.0.8.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Sulu· Sulu
60%
v < 2.6.25v < 3.0.8
Affected range stops below 2.6.25, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.0.8, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

x_refsource_CONFIRM
Source: cverecord
https://github.com/sulu/sulu/security/advisories/GHSA-65cv-w493-7vhq
x_refsource_MISC
Source: cverecord
https://github.com/sulu/sulu/commit/44d8844c3514a70b769ab791b9530df806240fab
x_refsource_MISC
Source: cverecord
https://github.com/sulu/sulu/releases/tag/2.6.25
x_refsource_MISC
Source: cverecord
https://github.com/sulu/sulu/releases/tag/3.0.8

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862CWE-863

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