Session Management Vulnerability in Rack::Session for Rack
CVE-2025-46336

4.2MEDIUM

Key Information:

Vendor

Rack

Status
Rack-session
Vendor
CVE Published:
8 May 2025

What is CVE-2025-46336?

Rack::Session, which provides session management for Rack applications, contains a vulnerability that allows an attacker to maintain access to a user session after the user has logged out. If the attacker secures a session cookie and triggers a long-running request during the logout process, they may restore the session, thus retaining illicit access. This situation represents a significant security risk, as it undermines user logout attempts and can lead to unauthorized actions under a user's account. This issue has been addressed and patched in Rack::Session version 2.1.1.

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Affected Version(s)

rack-session >= 2.0.0, < 2.1.1

References

https://github.com/rack/rack-session/security/advisories/...
x_refsource_CONFIRM
https://github.com/rack/rack/security/advisories/GHSA-vpf...
x_refsource_MISC
https://github.com/rack/rack-session/commit/c28c4a8c1861d...
x_refsource_MISC

CVSS V3.1

Score:
4.2
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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