Vulnerability-Lookup

GHSA-HG4G-PQVM-C557

Vulnerability from github – Published: 2026-02-27 21:31 – Updated: 2026-02-27 21:31

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2018-25160"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-27T21:16:03Z",
    "severity": null
  },
  "details": "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.\n\nFor 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.",
  "id": "GHSA-hg4g-pqvm-c557",
  "modified": "2026-02-27T21:31:22Z",
  "published": "2026-02-27T21:31:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-25160"
    },
    {
      "type": "WEB",
      "url": "https://github.com/tokuhirom/HTTP-Session2/commit/813838f6d08034b6a265a70e53b59b941b5d3e6d.patch"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/pod/Cache::Memcached::Fast::Safe"
    },
    {
      "type": "WEB",
      "url": "https://metacpan.org/release/TOKUHIROM/HTTP-Session2-1.10/source/Changes"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2018-25160 (GCVE-0-2018-25160)

Vulnerability from cvelistv5 – Published: 2026-02-27 20:15 – Updated: 2026-02-27 20:15

Title

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

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.

Severity ?

No CVSS data available.

CWE

CWE-20 - Improper Input Validation

Assigner

CPANSec

References

URL

Tags

	https://github.com/tokuhirom/HTTP-Session2/commit…	patch
	https://metacpan.org/release/TOKUHIROM/HTTP-Sessi…	release-notes
	https://metacpan.org/pod/Cache::Memcached::Fast::Safe	related

Impacted products

	Vendor	Product	Version
	TOKUHIROM	HTTP::Session2	Affected: 0 , ≤ 1.09 (custom)

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://cpan.org/modules",
          "defaultStatus": "unaffected",
          "packageName": "HTTP-Session2",
          "product": "HTTP::Session2",
          "repo": "https://github.com/tokuhirom/HTTP-Session2",
          "vendor": "TOKUHIROM",
          "versions": [
            {
              "lessThanOrEqual": "1.09",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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.\n\nFor 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."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-248",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-248 Command Injection"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20 Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-27T20:15:31.418Z",
        "orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
        "shortName": "CPANSec"
      },
      "references": [
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/tokuhirom/HTTP-Session2/commit/813838f6d08034b6a265a70e53b59b941b5d3e6d.patch"
        },
        {
          "tags": [
            "release-notes"
          ],
          "url": "https://metacpan.org/release/TOKUHIROM/HTTP-Session2-1.10/source/Changes"
        },
        {
          "tags": [
            "related"
          ],
          "url": "https://metacpan.org/pod/Cache::Memcached::Fast::Safe"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "HTTP::Session2 has been deprecated since version 1.11, users are recommended to migrate to a different solution."
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "timeline": [
        {
          "lang": "en",
          "time": "2018-01-26T00:00:00.000Z",
          "value": "version 1.10 HTTP::Session2 released with fix."
        },
        {
          "lang": "en",
          "time": "2026-02-24T00:00:00.000Z",
          "value": "version 1.11 HTTP::Session2 deprecated."
        }
      ],
      "title": "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",
      "workarounds": [
        {
          "lang": "en",
          "value": "Upgrade to version 1.10 or later.\n\nUse a session storage module that offers protection against command injections, such as Cache::Memcached::Fast::Safe."
        }
      ],
      "x_generator": {
        "engine": "cpansec-cna-tool 0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
    "assignerShortName": "CPANSec",
    "cveId": "CVE-2018-25160",
    "datePublished": "2026-02-27T20:15:31.418Z",
    "dateReserved": "2026-02-26T11:50:05.854Z",
    "dateUpdated": "2026-02-27T20:15:31.418Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-HG4G-PQVM-C557

CVE-2018-25160 (GCVE-0-2018-25160)

Tags

Sightings

Nomenclature