How severe is CVE-2025-65114?

CVE-2025-65114 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2025-65114 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-65114?

CVE-2025-65114 affects Apache Traffic Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-65114?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-65114 have an EU (EUVD) identifier?

Yes. CVE-2025-65114 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209190.

When was CVE-2025-65114 published?

CVE-2025-65114 was published on 2026-04-02 and last updated on 2026-06-17.

CVE-2025-65114

CVE-2025-65114 is a high-severity vulnerability in Apache Traffic Server with a CVSS 3.x base score of 7.5. 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-444.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209190
Weakness: CWE-444
Affected product: Apache Traffic Server
Published: 2026-04-02
Last modified: 2026-06-17

Description

Apache Traffic Server allows request smuggling if chunked messages are malformed. This issue affects Apache Traffic Server: from 9.0.0 through 9.2.12, from 10.0.0 through 10.1.1. Users are recommended to upgrade to version 9.2.13 or 10.1.2, which fix the issue.

Frequently asked questions

What is CVE-2025-65114?: Apache Traffic Server allows request smuggling if chunked messages are malformed. This issue affects Apache Traffic Server: from 9.0.0 through 9.2.12, from 10.0.0 through 10.1.1. Users are recommended to upgrade to version 9.2.13 or 10.1.2, which fix the issue.
How severe is CVE-2025-65114?: CVE-2025-65114 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2025-65114 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-65114?: CVE-2025-65114 affects Apache Traffic Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-65114?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-65114 have an EU (EUVD) identifier?: Yes. CVE-2025-65114 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209190.
When was CVE-2025-65114 published?: CVE-2025-65114 was published on 2026-04-02 and last updated on 2026-06-17.

References

https://lists.apache.org/thread/2s11roxlv1j8ph6q52rqo1klvl01n14q

Affected products (1)

cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*

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