What is CVE-2026-63159?

CVE-2026-63159 is a high-severity vulnerability in Omnispace Agora Project, classified under Weak Password Recovery Mechanism for Forgotten Password. CVSS score: 7.4/10. Published 2026-10-13.

How severe is CVE-2026-63159?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Omnispace Agora Project

CVE-2026-63159

Omnispace Agora Project before 26.10.0 contains a predictable password-reset token vulnerability that allows unauthenticated attackers to take over user accounts by computing the reset token as sha1(login.password), a deterministic and reusable value. Attackers can derive or brute-force the reset token from known or guessed login and password combinations to forge valid password-reset requests and hijack arbitrary accounts.

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

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

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-640 — Weak Password Recovery Mechanism for Forgotten Password

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-predictable-password-reset… (third-party-advisory)

Frequently asked questions

What is CVE-2026-63159?: CVE-2026-63159 is a high-severity vulnerability in Omnispace Agora Project, classified under Weak Password Recovery Mechanism for Forgotten Password. CVSS score: 7.4/10. Published 2026-10-13.
How severe is CVE-2026-63159?: High severity. CVSS v3 base score is 7.4 out of 10.