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CVE-2026-68525

Apache Tomcat broken access control

9.1 CRITICALEPSS 0.48%
  1. Published25 Aug 2026

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Apache Tomcat≥ 10.1.0 < 10.1.58 · ≥ 11.0.0 < 11.0.25 · ≥ 7.0.0 ≤ 7.0.109 · ≥ 8.5.0 < 9.0.121

Remediation

Fixed in
Apache Tomcat≥ 10.1.58

References

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Frequently asked

Is CVE-2026-68525 being actively exploited?

CVE-2026-68525 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.48%.

How severe is CVE-2026-68525?

CVE-2026-68525 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.48% probability of exploitation.

Which products are affected by CVE-2026-68525?

Affected products include Apache Tomcat.

How do I fix CVE-2026-68525?

Upgrade affected software to a fixed version, for example Apache Tomcat 10.1.58 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-68525 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.