PT-2025-48352 · Rallly · Rallly

Published 2025-11-29 · Updated 2025-11-29 · CVE-2025-66027

Positive Technologies · (AI Summary)

CVSS v4.0

7.1

7.1

High

Base vector

AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Rallly versions prior to 4.5.6

Description Rallly is a scheduling and collaboration tool. A flaw allows unauthorized disclosure of participant details, such as names and email addresses. This occurs through the

/api/trpc/polls.get,polls.participants.list

API endpoint, even when Pro privacy features are enabled, bypassing intended privacy controls. The

polls.participants.list

endpoint is involved in the disclosure.

Recommendations Update to version 4.5.6 or later.

Fix

Improper Access Control

Information Disclosure

Weakness Enumeration

CWE-284

CWE-359

CWE-200

Related Identifiers

CVE-2025-66027

Affected Products

Rallly

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-66027 · Security Note
• https://github.com/lukevella/rallly/releases/tag/v4.5.6 · Note
• https://github.com/lukevella/rallly/commit/59738c04f9a8ec25f0af5ce20ad0eab6cf134963 · Note
• https://github.com/lukevella/rallly/security/advisories/GHSA-65wg-8xgw-f3fg · Note
• https://twitter.com/CVEnew/status/1994599561642324458 · Twitter Post
• https://twitter.com/offseq/status/1994716094473425119 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1994582474727305379 · Twitter Post