Rallly is an open-source scheduling and collaboration tool. Prior to version 4.5.4, an Insecure Direct Object Reference (IDOR) vulnerability allows any authenticated user to change the display names of other participants in polls without being an admin or the poll owner. By manipulating the participantId parameter in a rename request, an attacker can modify another user’s name, violating data integrity and potentially causing confusion or impersonation attacks. This issue has been patched in version 4.5.4.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/lukevella/rallly/security/advisories/GHSA-q9m7-chfx-43xw Exploit, Vendor Advisory
- https://github.com/lukevella/rallly/security/advisories/GHSA-q9m7-chfx-43xw Exploit, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.5 · ralllyNVD modified 2026-10-18 20:10
Affected (CPE criteria) 1
cpe:2.3:a:rallly:rallly:*:*:*:*:*:*:*:*
References 3
- https://github.com/lukevella/rallly/releases/tag/v4.5.4 Release Notes
- https://github.com/lukevella/rallly/security/advisories/GHSA-q9m7-chfx-43xw Exploit, Vendor Advisory
- https://github.com/lukevella/rallly/security/advisories/GHSA-q9m7-chfx-43xw Exploit, Vendor Advisory