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CVE-2026-58177 Apache CVE debrief

Apache Traffic Server has out-of-bounds writes, path traversal, and use-after-free errors in its Cripts framework. This issue affects Apache Traffic Server from version 10.0.0 through 10.1.3. Users are recommended to upgrade to version 10.1.4, which fixes the issue. The vulnerability's technical details indicate that it could lead to significant impact if exploited, given its high CVSS score of 8.3 and HIGH severity. The Cripts framework's vulnerabilities could allow attackers to execute arbitrary code or cause a denial of service. Evidence of the vulnerability's existence and impact is based on the CVE and NVD records, which provide limited details. Further verification is recommended to assess the vulnerability's scope and potential impact on specific deployments. The CVE record was published on 2026-07-29T10:16:42.510Z and was last modified on 2026-07-31T20:54:52.427Z. The NVD entry is currently Analyzed.

Vendor
Apache
Product
Traffic Server
CVSS
HIGH 8.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-29
Original CVE updated
2026-07-31
Advisory published
2026-07-29
Advisory updated
2026-07-31

Who should care

Users of Apache Traffic Server from 10.0.0 through 10.1.3 should upgrade to version 10.1.4 to address out-of-bounds writes, path traversal, and use-after-free errors. This includes operators, administrators, and security teams responsible for managing and securing Apache Traffic Server deployments. The vulnerability's impact could be significant for those using affected versions, given its high severity and potential for exploitation.

Technical summary

The Apache Traffic Server Cripts framework has out-of-bounds writes, path traversal, and use-after-free errors. This issue affects Apache Traffic Server from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 10.1.4, which fixes the issue. The vulnerability's technical details indicate that it could lead to significant impact if exploited, given its high CVSS score of 8.3 and HIGH severity. The Cripts framework's vulnerabilities could allow attackers to execute arbitrary code or cause a denial of service.

Defensive priority

Upgrade to version 10.1.4 to address out-of-bounds writes, path traversal, and use-after-free errors.

Recommended defensive actions

  • Upgrade to version 10.1.4
  • Review Apache Traffic Server configurations
  • Monitor for suspicious activity
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-07-29T10:16:42.510Z and was last modified on 2026-07-31T20:54:52.427Z. The NVD entry is currently Analyzed. The Apache Traffic Server Cripts framework vulnerability affects Apache Traffic Server from version 10.0.0 through 10.1.3, leading to out-of-bounds writes, path traversal, and use-after-free errors. Users are recommended to upgrade to version 10.1.4, which fixes the issue. Evidence of the vulnerability's existence and impact is based on the CVE and NVD records, which provide limited details. Further verification is recommended to assess the vulnerability's scope and potential impact on specific deployments.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-29T10:16:42.510Z and has not been modified since then.