| Title | Psi Probe <=5.3.0 Broken Access Control |
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| Description | Psi Probe versions up to and including 5.3.0 allow any authenticated user with the "probeuser" role to remove arbitrary session attributes from any other user's session through the /app/rmsattr.htm endpoint. The application fails to validate session ownership before processing attribute removal requests, enabling low-privileged attackers to delete security-critical session attributes (such as authorization flags, MFA completion status, or role identifiers) from other users' sessions, potentially bypassing authorization controls and escalating privileges.
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| Source | ⚠️ https://github.com/AnalogyC0de/public_exp/issues/14 |
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| User | Ana10gy (UID 93358) |
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| Submission | 02/15/2026 04:37 (5 months ago) |
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| Moderation | 02/26/2026 16:13 (11 days later) |
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| Status | Accepted |
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| VulDB entry | 347992 [psi-probe PSI Probe up to 5.3.0 Session Attribute RemoveSessAttributeController.java access control] |
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| Points | 20 |
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