CVE-2026-63400
Coop sessions are not invalidated on password reset
Coop is an open source review and moderation tool from ROOST. Prior to 1.0.2, resetPasswordForToken updates the password row without invalidating database-backed sessions. An attacker who has acquired a password and established a session retains access even after the legitimate user resets the password, leaving the compromised account under attacker control until the session expires at its 30-day maximum age. This issue is fixed in version 1.0.2.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
2.3
Coop sessions are not invalidated on password reset
Coop is an open source review and moderation tool from ROOST. Prior to 1.0.2, resetPasswordForToken updates the password row without invalidating database-backed sessions. An attacker who has acquired a password and established a session retains access even after the legitimate user resets the password, leaving the compromised account under attacker control until the session expires at its 30-day maximum age. This issue is fixed in version 1.0.2.
- Record
CVE-2026-63400- CVSS 4.0
- 2.3 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-613
- Updated
- 2026-11-06
EUVDEUVD-2026-114551
2.3
Coop is an open source review and moderation tool from ROOST. Prior to 1.0.2, resetPasswordForToken updates the password row without invalidating database-backed sessions. An attacker who has acquired a password and established a session retains access even after the legitimate user resets the password, leaving the compromised account under attacker control until the session expires at its 30-day maximum age. This issue is fixed in version 1.0.2.
- Record
EUVD-2026-114551- CVSS 4.0
- 2.3 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N - Updated
- 2026-11-06
NVD
2.3
Coop is an open source review and moderation tool from ROOST. Prior to 1.0.2, resetPasswordForToken updates the password row without invalidating database-backed sessions. An attacker who has acquired a password and established a session retains access even after the legitimate user resets the password, leaving the compromised account under attacker control until the session expires at its 30-day maximum age. This issue is fixed in version 1.0.2.
- Record
CVE-2026-63400- CVSS 4.0
- 2.3 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/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 - Weakness
- CWE-613
- Updated
- 2026-11-06
OSV
2.3
Coop sessions are not invalidated on password reset
Coop is an open source review and moderation tool from ROOST. Prior to 1.0.2, resetPasswordForToken updates the password row without invalidating database-backed sessions. An attacker who has acquired a password and established a session retains access even after the legitimate user resets the password, leaving the compromised account under attacker control until the session expires at its 30-day maximum age. This issue is fixed in version 1.0.2.
- Record
CVE-2026-63400- CVSS 4.0
- 2.3 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-613
- Updated
- 2026-11-07
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | NVD, OSV | |
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-63400 is a low vulnerability (CVSS 2.3) in Roostorg Coop, published October 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.
References
github.com/roostorg/coop/security/advisories/GHSA-g5xq-67g7-36r2
github.com/roostorg/coop/pull/778
github.com/roostorg/coop/commit/f226db0fb7f03096d2a832304ad9614e944e4bf8
github.com/roostorg/coop/releases/tag/1.0.2
github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63400.json
nvd.nist.gov/vuln/detail/CVE-2026-63400