What’s Vulnerable › Vulnerabilities

CVE-2015-8314

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-12 · updated 2026-06-17
• Weakness: CWE-312

Description

The Devise gem before 3.5.4 for Ruby mishandles Remember Me cookies for sessions, which may allow an adversary to obtain unauthorized persistent application access.

Affected products

• heartcombo devise: before 3.5.4 — fixed in 3.5.4

How to fix

Upgrade to a fixed version: heartcombo devise 3.5.4. Check the vendor advisory for mitigations.

References

• https://github.com/advisories/GHSA-746g-3gfp-hfhw
• https://github.com/heartcombo/devise/commit/c92996646aba2d25b2c3e235fe0c4f1a84b70d24
• https://rubysec.com/advisories/CVE-2015-8314/
• https://github.com/advisories/GHSA-746g-3gfp-hfhw
• https://github.com/heartcombo/devise/commit/c92996646aba2d25b2c3e235fe0c4f1a84b70d24
• https://rubysec.com/advisories/CVE-2015-8314/

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