PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-58182 Apache CVE debrief

Apache Traffic Server's ts_lua plugin has a vulnerability due to mishandling of initialization, transform context, and per-instance state. This affects versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The vulnerability has a high CVSS score of 8.2, indicating a high severity level. Users should upgrade to version 9.2.15 or 10.1.4. This issue can lead to significant impact due to its high severity. It is recommended that users review their deployments, monitor for potential exploits, and consider compensating controls while remediation is planned. The CVE record and NVD entry provide details on the vulnerability and affected versions. Further analysis is needed to fully understand the impact and potential mitigations.

Vendor
Apache
Product
Traffic Server
CVSS
HIGH 8.2
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, particularly those using affected versions (8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3), should be aware of this vulnerability and take steps to mitigate it. This includes reviewing and updating affected versions, monitoring for potential exploits, and considering compensating controls. The high CVSS score of 8.2 indicates a high severity level, necessitating prompt action.

Technical summary

The Apache Traffic Server ts_lua plugin mishandles initialization, transform context, and per-instance state, affecting versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. This vulnerability has a high CVSS score of 8.2, indicating a high severity level. The issue can be mitigated by upgrading to version 9.2.15 or 10.1.4. Users should review their deployments and consider compensating controls while remediation is planned.

Defensive priority

High priority due to high CVSS score of 8.2 and potential for significant impact.

Recommended defensive actions

  • Upgrade to version 9.2.15 or 10.1.4
  • Review and update affected versions
  • Monitor for potential exploits
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability and affected versions. However, further analysis is needed to fully understand the impact and potential mitigations. Affected versions include Apache Traffic Server 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. Users should verify their deployments and plan for upgrades or mitigations. The ts_lua plugin's mishandling of initialization, transform context, and per-instance state could lead to significant impact due to the high CVSS score of 8.2.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-29T10:16:43.230Z and has not been modified since then.