Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-53404

36
FAUCET Score

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.

First published: Jun 29, 2026Last modified: Jun 29, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.5.0, <= 8.5.100CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
>= 9.0.0, < 9.0.119CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
>= 10.1.0, < 10.1.56CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
>= 11.0.0, < 11.0.23CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
>= 10.1.0-M1, <= 10.1.55CPE match
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.58%
Probability of exploitation in next 30 days
EPSS Percentile
44.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0058 is in the 21st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

ubuntupatch availablevia ubuntu_usn
Product: tomcat8 (bionic)Fixed in: 8.5.39-1ubuntu1~18.04.3+esm6
ubuntupatch availablevia ubuntu_usn
Product: tomcat8 (xenial)Fixed in: 8.0.32-1ubuntu1.13+esm2
apachevendor investigatingvia vendor_rss
View patch

Vendor Advisories (2)

ubuntuUSN-8551-1

Tomcat vulnerabilities

Jul 15, 2026
apacheapache:www.mail-archive.com/[email protected]/msg11328.html

[SECURITY] CVE-2026-53404 Apache Tomcat - Bad ornext processing in RewriteValve

Jun 29, 2026

References

openwall.com / lists/oss-security/2026/06/29/21
Third Party Advisory
lists.apache.org / thread/rdhpghgfskrdmw9hqzjgjrtw538smpmz
Vendor AdvisoryMailing List