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GHSA-563X-Q5RQ-57QP

Vulnerability from github – Published: 2026-04-09 21:31 – Updated: 2026-04-10 00:30

Details

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M1 through 9.0.115, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other, unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.20, 10.1.52 or 9.0.116, which fix the issue.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-24880"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-444"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-09T20:16:24Z",
    "severity": null
  },
  "details": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request/Response Smuggling\u0027) vulnerability in Apache Tomcat via invalid chunk extension.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M1 through 9.0.115, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.\nOther, unsupported versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.20, 10.1.52 or 9.0.116, which fix the issue.",
  "id": "GHSA-563x-q5rq-57qp",
  "modified": "2026-04-10T00:30:28Z",
  "published": "2026-04-09T21:31:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-24880"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/2c682qnlg2tv4o5knlggqbl9yc2gb5sn"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/04/09/20"
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}

CVE-2026-24880 (GCVE-0-2026-24880)

Vulnerability from cvelistv5 – Published: 2026-04-09 19:12 – Updated: 2026-04-10 18:33

Title

Apache Tomcat: Request smuggling via invalid chunk extension

Summary

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M1 through 9.0.115, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other, unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.20, 10.1.52 or 9.0.116, which fix the issue.

Severity ?

No CVSS data available.

CWE

CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Assigner

apache

References

URL

Tags

https://lists.apache.org/thread/2c682qnlg2tv4o5kn…

vendor-advisory

Impacted products

	Vendor	Product	Version
	Apache Software Foundation	Apache Tomcat	Affected: 11.0.0-M1 , ≤ 11.0.18 (semver) Affected: 10.1.0-M1 , ≤ 10.1.52 (semver) Affected: 9.0.0.M1 , ≤ 9.0.115 (semver) Affected: 8.5.0 , ≤ 8.5.100 (semver) Affected: 7.0.0 , ≤ 7.0.109 (semver) Unknown: 0 , < 7.0.0 (semver) Unknown: 8.0.0-RC1 , ≤ 8.0.53 (semver)

Credits

Xclow3n

Show details on NVD website

JSON

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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-563X-Q5RQ-57QP

CVE-2026-24880 (GCVE-0-2026-24880)

Tags

Sightings

Nomenclature