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Vulnerabilities

Vulnerability · CVE-2018-25160

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.

Published Feb 27, 2026 · catalog updated Jun 17, 2026 · HTTP::Session2 versions through 1.09

Check if you run it

No confirmed exploitation is on record for CVE-2018-25160. EPSS is 0.42%. Act only if a listed version of HTTP::Session2 versions through 1.09 is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (HTTP::Session2 versions through 1.09).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.42%
Remediation
Advisory link
Affected products
cpe tokuhirom/http

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe tokuhirom/http\

How to fix CVE-2018-25160

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2018-25160. EPSS is 0.42%. Act only if a listed version of HTTP::Session2 versions through 1.09 is installed.

Which versions are affected?

Compare what you have installed with \. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-20: Improper Input Validation. EPSS 0.42%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 27, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2018-25160

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2018-25160

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2018-25160

    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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.