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Vulnerability record · CVE-2025-65029 · published 19 November 2025

CVE-2025-65029: Rallly improper authorization vulnerability

Rallly · Rallly

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 delete arbitrary participants from polls without ownership verification. The endpoint relies solely on a participant ID to authorize deletions, enabling attackers to remove other users (including poll owners) from polls. This impacts the integrity and availability of poll participation data. This issue has been patched in version 4.5.4.

8.1 CVSS 3.1 High EPSS 0.33% · top 76.4% CWE-285 · Improper authorizationCWE-639 · Insecure direct object reference
8.1CVSS 3.1 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

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 delete arbitrary participants from polls without ownership verification. The endpoint relies solely on a participant ID to authorize deletions, enabling attackers to remove other users (including poll owners) from polls. This impacts the integrity and availability of poll participation data. This issue has been patched in version 4.5.4.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/lukevella/rallly/releases/tag/v4.5.4 Release Notes
https://github.com/lukevella/rallly/security/advisories/GHSA-f8jc-6746-ww95 ExploitVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-47781Rallly vulnerabilityRallly is an open-source scheduling and collaboration tool. Versions up to and including 3.22.1 of the application features token based authenticatio…EPSS 0.60%9.1CVE-2025-65021Rallly improper authorization vulnerabilityRallly is an open-source scheduling and collaboration tool. Prior to version 4.5.4, an Insecure Direct Object Reference (IDOR) vulnerability exists i…EPSS 0.38%8.1CVE-2025-65033Rallly improper authorization vulnerabilityRallly is an open-source scheduling and collaboration tool. Prior to version 4.5.4, an authorization flaw in the poll management feature allows any a…EPSS 0.33%8.1CVE-2025-65034Rallly insecure direct object reference vulnerabilityRallly is an open-source scheduling and collaboration tool. Prior to version 4.5.4, an improper authorization vulnerability allows any authenticated …EPSS 0.33%7.1CVE-2025-66027Rallly information exposure vulnerabilityRallly is an open-source scheduling and collaboration tool. Prior to version 4.5.6, an information disclosure vulnerability exposes participant detai…EPSS 0.35%7.1CVE-2025-65030Rallly improper authorization vulnerabilityRallly is an open-source scheduling and collaboration tool. Prior to version 4.5.4, an authorization flaw in the comment deletion API allows any auth…EPSS 0.29%6.5CVE-2025-65028Rallly improper authorization vulnerabilityRallly is an open-source scheduling and collaboration tool. Prior to version 4.5.4, an insecure direct object reference (IDOR) vulnerability allows a…EPSS 0.26%6.5CVE-2025-65031Rallly improper authorization vulnerabilityRallly is an open-source scheduling and collaboration tool. Prior to version 4.5.4, an improper authorization flaw in the comment creation endpoint a…EPSS 0.25%

Source: NIST National Vulnerability Database (record CVE-2025-65029), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.