HOMEVULNERABILITIESCVE-2026-24880
HIGH

CVE-2026-24880

CWE-444Published: April 9, 2026· Updated: Apr 14, 2026

7.5
CVSS v3.1
EPSS:0.02%probability of exploitation in 30 daysPercentile:4.9th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-24880 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

Apache1 product
tomcat
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://lists.apache.org/thread/2c682qnlg2tv4o5knlggqbl9yc2gb5sn
ADVISORYhttp://www.openwall.com/lists/oss-security/2026/04/09/20

All References (2)

→
https://lists.apache.org/thread/2c682qnlg2tv4o5knlggqbl9yc2gb5snMailing List · Vendor Advisory
→
http://www.openwall.com/lists/oss-security/2026/04/09/20Mailing List · Third Party Advisory

Quick Facts

CVE IDCVE-2026-24880
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-444
CISA KEVNo
EPSS (30d)0.02%
Affected1 vendor
PublishedApr 9, 2026

Related CVEs (CWE-444)

CVE-2026-13762
9.8
CVE-2026-9170
9.8
CVE-2026-13763
9.8
CVE-2026-41873
9.8
CVE-2026-42581
9.8
CVE-2026-11541
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-24880 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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