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9.1

CVE-2026-63159: Omnispace Agora Project password reset can be guessed

CVE-2026-63159 · published today
Summary

The Agora Project version before 26.10.0 uses a password‑reset code that is calculated in a predictable way from the user’s login name and password. This lets someone without an account create a valid reset link and take over any user’s account. Update the software to version 26.10.0 or later, or apply the vendor’s patch, to stop the issue.

What to do
  • Update omnispace agora project to version 26.10.0 or later.
Affected software
VendorProductAffected versions
omnispace agora project < 26.10.0
Original advisory text
Omnispace Agora Project < 26.10.0 Predictable Password-Reset Token Account Takeover
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.
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.1 Critical
Type
CWE-640Weak Password Recovery Mechanism for Forgotten Password
Timeline
Published13 Oct 2026
Updated13 Oct 2026
First seen13 Oct 2026
Sources
CVE-2026-63159 · MITRE
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