PT-2025-50878 · Unknown · Groupsession

Published 2025-12-12 · Updated 2026-02-17 · CVE-2025-64781

Positive Technologies (AI Summary)

CVSS v4.0

5.1

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions GroupSession versions prior to 5.7.1

Description The software’s initial configuration may have the "External page display restriction" set to "Do not limit". This configuration allows a user to be redirected to an arbitrary website when accessing a specially crafted URL.

Recommendations Update to version 5.7.1 or later.

Fix

Weakness Enumeration

CWE-1188

Related Identifiers

CVE-2025-64781

Affected Products

Groupsession

References · 6

• https://groupsession.jp/info/info-news/security20251208 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-64781 · Security Note
• https://osv.dev/vulnerability/CVE-2025-64781 · Vendor Advisory
• https://jvn.jp/en/jp/JVN19940619 · Note
• https://t.me/cveNotify/152193 · Telegram Post
• https://t.me/CVEtracker/39580 · Telegram Post