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CVE-2026-63400— Coop sessions are not invalidated on password reset

Quick assessment

Affected
roostorg coop
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Coop 是 ROOST 开发的一款开源内容审核与审查工具。在 1.0.2 版本之前， 函数在更新密码记录时，未使基于数据库的会话失效。因此，若攻击者已获取用户密码并建立了会话，即使合法用户重置了密码，攻击者仍可继续访问该账户。这导致被攻陷的账户在会话达到最长 30 天有效期之前，始终处于攻击者控制之下。该问题已在 1.0.2 版本中修复。

CVSS 2.3 · Low
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I. Basic Information for CVE-2026-63400

Vulnerability Information
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Vulnerability Title
Coop sessions are not invalidated on password reset
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的会话过期机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
roostorg coop < 1.0.2 -

II. Public POCs for CVE-2026-63400

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III. Intelligence Information for CVE-2026-63400

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Other References for CVE-2026-63400 (4)

Same Patch Batch · roostorg · 2026-10-30 · 5 CVEs total

CVE-2026-63396 8.7 HIGH Coop has a data leak via unauthenticated GraphQL Query.allOrgs
CVE-2026-63398 7.4 HIGH Coop has SAML cross-tenant authentication bypass
CVE-2026-63399 6.9 MEDIUM Coop: Unauthenticated org provisioning via GraphQL Mutation.createOrg
CVE-2026-63401 5.3 MEDIUM Coop has cross-org IDOR in addAccessibleQueuesForUser / removeAccessibleQueuesForUser

IV. Related Vulnerabilities

Same product: coop
Same vendor: roostorg
Same weakness: CWE-613