CVE-2025-65031

MEDIUM

rallly < 4.5.4 - Authenticated User Impersonation via Comment AuthorName Field

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-65031. PoCs published by alaeddine03.

AI-analyzed exploit summary The repository describes an Insecure Direct Object Reference (IDOR) vulnerability in Rallly, where authenticated users can impersonate others by manipulating the 'authorName' field in API requests. The issue was patched in version 4.5.4.

Description

Rallly is an open-source scheduling and collaboration tool. Prior to version 4.5.4, an improper authorization flaw in the comment creation endpoint allows authenticated users to impersonate any other user by altering the authorName field in the API request. This enables attackers to post comments under arbitrary usernames, including privileged ones such as administrators, potentially misleading other users and enabling phishing or social engineering attacks. This issue has been patched in version 4.5.4.

Exploits (1)

github WRITEUP
by alaeddine03 · poc
https://github.com/alaeddine03/CVE-Disclosures/tree/main/Rallly/CVE-2025-65031

The repository describes an Insecure Direct Object Reference (IDOR) vulnerability in Rallly, where authenticated users can impersonate others by manipulating the 'authorName' field in API requests. The issue was patched in version 4.5.4.

Classification
Writeup 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: Rallly < 4.5.4
Auth required
Prerequisites: Authenticated user access
devstral-2 · analyzed Feb 27, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://github.com/lukevella/rallly/security/advisories/GHSA-hhfc-6gq7-rrpm

Scores

CVSS v3 6.5
EPSS 0.0021
EPSS Percentile 11.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-639 CWE-285
Status published
Products (1)
rallly/rallly < 4.5.4
Published Nov 19, 2025
Tracked Since Feb 18, 2026