What is CVE-2026-63161?

CVE-2026-63161 is a high-severity vulnerability in Omnispace Agora Project, classified under Session Fixation. CVSS score: 8.8/10. Published 2026-10-13.

How severe is CVE-2026-63161?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Omnispace Agora Project

CVE-2026-63161

Omnispace Agora Project before 26.10.0 contains a session fixation vulnerability that allows remote attackers to hijack authenticated sessions by planting a known session identifier in a victim's browser prior to login. Attackers can exploit the application's failure to regenerate the session id upon successful authentication to gain unauthorized access to the victim's authenticated session after they log in.

Published 2026-10-13 · last modified 2026-10-14.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Omnispace Agora Project

Weakness classification (CWE)

CWE-384 — Session Fixation

References

github.com/xech/agora-project/releases/tag/26.10 (release-notes, patch)
www.agora-project.net/ (product)
www.vulncheck.com/advisories/omnispace-agora-project-session-fixation-via-authe… (third-party-advisory)

Frequently asked questions

What is CVE-2026-63161?: CVE-2026-63161 is a high-severity vulnerability in Omnispace Agora Project, classified under Session Fixation. CVSS score: 8.8/10. Published 2026-10-13.
How severe is CVE-2026-63161?: High severity. CVSS v3 base score is 8.8 out of 10.