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CVE-2026-68525Suited to automated attack · CISA

Apache Tomcat: Redirect after FORM auth may bypass method specific constraints

CVSS score

9.1

EPSS probability

%0.5

Risk score

0.0

Published

1 mo ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

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Vulnerability description

DayBreach CVE AI Research

CVE-2026-68525 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: 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 11.0.25, 10.1.58 or 9.0.121, which fixes the issue.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-68525 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1Apache Software FoundationApache Tomcat View
2apachetomcat View
3apachetomcat View
4apachetomcat View
5apachetomcat View
6mavenorg.apache.tomcat:tomcat View
7mavenorg.apache.tomcat:tomcat View
8mavenorg.apache.tomcat:tomcat View
9mavenorg.apache.tomcat:tomcat View
10mavenorg.apache.tomcat:tomcat View
11mavenorg.apache.tomcat:tomcat-catalina View
12mavenorg.apache.tomcat:tomcat-catalina View
13mavenorg.apache.tomcat:tomcat-catalina View
14mavenorg.apache.tomcat:tomcat-catalina View
15mavenorg.apache.tomcat:tomcat-catalina View
16mavenorg.apache.tomcat.embed:tomcat-embed-core View
17mavenorg.apache.tomcat.embed:tomcat-embed-core View
18mavenorg.apache.tomcat.embed:tomcat-embed-core View
19mavenorg.apache.tomcat.embed:tomcat-embed-core View
20mavenorg.apache.tomcat.embed:tomcat-embed-core View
21mavenorg.apache.tomcat:tomcat View
22mavenorg.apache.tomcat:tomcat View
23mavenorg.apache.tomcat:tomcat View
24mavenorg.apache.tomcat:tomcat View
25mavenorg.apache.tomcat:tomcat-catalina View
26mavenorg.apache.tomcat:tomcat-catalina View
27mavenorg.apache.tomcat:tomcat-catalina View
28mavenorg.apache.tomcat:tomcat-catalina View
29mavenorg.apache.tomcat.embed:tomcat-embed-core View
30mavenorg.apache.tomcat.embed:tomcat-embed-core View
31mavenorg.apache.tomcat.embed:tomcat-embed-core View
32mavenorg.apache.tomcat.embed:tomcat-embed-core View
Total affected vendors: 3|Products: 32

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
9.1CVSS V3_1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NCVE ADP
9.1CVSS V31CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NNVD
9.1CVSS 3.x—Vector not publishedGitHub Advisory
0.0CVSS 4.0—Vector not publishedGitHub Advisory

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

9 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

osvorg.apache.tomcat:tomcat11.0.25

OSV düzeltilmiş sürüm: 11.0.25

osvorg.apache.tomcat:tomcat10.1.58

OSV düzeltilmiş sürüm: 10.1.58

osvorg.apache.tomcat:tomcat9.0.121

OSV düzeltilmiş sürüm: 9.0.121

osvorg.apache.tomcat:tomcat-catalina11.0.25

OSV düzeltilmiş sürüm: 11.0.25

osvorg.apache.tomcat:tomcat-catalina10.1.58

OSV düzeltilmiş sürüm: 10.1.58

osvorg.apache.tomcat:tomcat-catalina9.0.121

OSV düzeltilmiş sürüm: 9.0.121

osvorg.apache.tomcat.embed:tomcat-embed-core11.0.25

OSV düzeltilmiş sürüm: 11.0.25

osvorg.apache.tomcat.embed:tomcat-embed-core10.1.58

OSV düzeltilmiş sürüm: 10.1.58

osvorg.apache.tomcat.embed:tomcat-embed-core9.0.121

OSV düzeltilmiş sürüm: 9.0.121

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-68525 is associated with the following CWEs:

CWE-863: Common Weakness Enumeration Entry CWE-863

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-68525 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

https://lists.apache.org/thread/x1y2lfsgzxwzc456f8954vbvgn03zhd7vendor-advisoryhttp://www.openwall.com/lists/oss-security/2026/08/26/7nvdhttps://nvd.nist.gov/vuln/detail/CVE-2026-68525vendor-advisoryhttps://github.com/apache/tomcat/commit/10d048e16034ddf12055e0cede0da05b15c823b8vendor-advisoryhttps://github.com/apache/tomcat/commit/32f0c38526b4e655ff0c17cd97afedefc624fe43vendor-advisoryhttps://github.com/apache/tomcat/commit/58123aa468a20e2a079b7e0c68a4009e2475c098vendor-advisoryhttps://tomcat.apache.org/security-10.htmlvendor-advisoryhttps://tomcat.apache.org/security-11.htmlvendor-advisoryhttps://tomcat.apache.org/security-9.htmlvendor-advisoryhttps://github.com/advisories/GHSA-h3x4-894j-xpx5vendor-advisory

CVSS Vector Radar Chart

9.1 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)None

Yama doğrulandı

9 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

Follow the vendor

AS
Apache Software Foundation logo
Apache Software Foundation
A
apache logo
apache
M
maven logo
maven

Weakness Type (CWE & CAPEC)

CWE-863

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