Improper input validation in TOKUHIROM HTTP::Session2
Priority LOW 35CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
HTTP::Session2 versions through 1.09 for Perl does not validate the format of user provided session ids, enabling code injection or other impact depending on session backend. For example, if an application uses memcached for session storage, then it may be possible for a remote attacker to inject memcached commands in the session id value.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00446 38th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-25160
- 2026-10-03 Alias added: GHSA-hg4g-pqvm-c557
References
Patch 1
Advisory 2
More TOKUHIROM Http vulnerabilities
- TI-2026-02810 HTTP::Session2 versions before 1.12 for Perl may generate weak session ids using the rand() function CVSS 3.1MEDIUM 6.5
Sources
- CVE-2018-25160 · CVE Program
- CVE-2018-25160 · NVD
- FIRST EPSS
- GHSA-hg4g-pqvm-c557 · GitHub Advisory Database · CC BY 4.0
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