How severe is CVE-2026-32990?

CVE-2026-32990 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-32990 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-32990?

CVE-2026-32990 affects Apache Tomcat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-32990?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-32990 have an EU (EUVD) identifier?

Yes. CVE-2026-32990 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21018.

When was CVE-2026-32990 published?

CVE-2026-32990 was published on 2026-04-09 and last updated on 2026-06-17.

CVE-2026-32990

CVE-2026-32990 is a medium-severity vulnerability in Apache Tomcat with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21018
Weakness: CWE-20
Affected product: Apache Tomcat
Published: 2026-04-09
Last modified: 2026-06-17

Description

Improper Input Validation vulnerability in Apache Tomcat due to an incomplete fix of CVE-2025-66614. This issue affects Apache Tomcat: from 11.0.15 through 11.0.19, from 10.1.50 through 10.1.52, from 9.0.113 through 9.0.115. Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.

Frequently asked questions

What is CVE-2026-32990?: Improper Input Validation vulnerability in Apache Tomcat due to an incomplete fix of CVE-2025-66614. This issue affects Apache Tomcat: from 11.0.15 through 11.0.19, from 10.1.50 through 10.1.52, from 9.0.113 through 9.0.115. Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.
How severe is CVE-2026-32990?: CVE-2026-32990 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-32990 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-32990?: CVE-2026-32990 affects Apache Tomcat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-32990?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-32990 have an EU (EUVD) identifier?: Yes. CVE-2026-32990 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21018.
When was CVE-2026-32990 published?: CVE-2026-32990 was published on 2026-04-09 and last updated on 2026-06-17.

References

https://lists.apache.org/thread/1nl9zqft0ksqlhlkd3j4obyjz1ghoyn7

Affected products (1)

cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*

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