How severe is CVE-2025-58136?

CVE-2025-58136 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 none, and availability high.

Is CVE-2025-58136 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-58136?

CVE-2025-58136 affects Apache Traffic Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-58136?

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-2025-58136 have an EU (EUVD) identifier?

Yes. CVE-2025-58136 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209188.

When was CVE-2025-58136 published?

CVE-2025-58136 was published on 2026-04-02 and last updated on 2026-06-17.

CVE-2025-58136

CVE-2025-58136 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-670.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209188
Weakness: CWE-670
Affected product: Apache Traffic Server
Published: 2026-04-02
Last modified: 2026-06-17

Description

A bug in POST request handling causes a crash under a certain condition. This issue affects Apache Traffic Server: from 10.0.0 through 10.1.1, from 9.0.0 through 9.2.12. Users are recommended to upgrade to version 10.1.2 or 9.2.13, which fix the issue. A workaround for older versions is to set proxy.config.http.request_buffer_enabled to 0 (the default value is 0).

Frequently asked questions

What is CVE-2025-58136?: A bug in POST request handling causes a crash under a certain condition. This issue affects Apache Traffic Server: from 10.0.0 through 10.1.1, from 9.0.0 through 9.2.12. Users are recommended to upgrade to version 10.1.2 or 9.2.13, which fix the issue. A workaround for older versions is to set proxy.config.http.request_buffer_enabled to 0 (the default value is 0).
How severe is CVE-2025-58136?: CVE-2025-58136 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 none, and availability high.
Is CVE-2025-58136 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-58136?: CVE-2025-58136 affects Apache Traffic Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-58136?: 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-2025-58136 have an EU (EUVD) identifier?: Yes. CVE-2025-58136 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209188.
When was CVE-2025-58136 published?: CVE-2025-58136 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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