PatchSiren cyber security CVE debrief

CVE-2026-24033 Apache CVE debrief

Vendor: Apache
Product: Traffic Server
CVSS: MEDIUM 6.9
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-07-29
Original CVE updated: 2026-08-05
Advisory published: 2026-07-29
Advisory updated: 2026-08-05

Who should care

Users of Apache Traffic Server versions from 10.0.0 through 10.1.3 and from 9.0.0 through 9.2.14 should be aware of this vulnerability and take necessary actions to upgrade or mitigate the risk. This includes operators, security teams, and vulnerability management teams responsible for these systems.

Technical summary

The CVE-2026-24033 record describes an inconsistent interpretation of HTTP requests, also known as HTTP request/response smuggling, in Apache Traffic Server. This issue affects versions from 10.0.0 through 10.1.3 and from 9.0.0 through 9.2.14. The CVSS score is 6.9, indicating a medium severity vulnerability. Users of Apache Traffic Server should be aware of this vulnerability and take necessary actions to upgrade or mitigate the risk. Technical details are limited to CVE and NVD information. Operators and security teams should review affected versions and consider upgrading to version 9.2.15 or 10.1.4. Additionally, monitoring for potential HTTP request/response smuggling attacks is recommended. 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.

Defensive priority

Medium-priority defensive actions are recommended due to the CVSS score of 6.9 and the potential for HTTP request/response smuggling attacks.

Recommended defensive actions

Upgrade Apache Traffic Server to version 9.2.15 or 10.1.4
Review and update affected versions from 10.0.0 through 10.1.3 and from 9.0.0 through 9.2.14
Monitor for potential HTTP request/response smuggling attacks
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 indicates an inconsistent interpretation of HTTP requests, also known as HTTP request/response smuggling, in Apache Traffic Server versions from 10.0.0 through 10.1.3 and from 9.0.0 through 9.2.14. Users are recommended to upgrade to version 9.2.15 or 10.1.4. Evidence is limited to CVE and NVD details, with no additional information available.

Sources and references

Verified primary and authoritative sources

CVE-2026-24033 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-24033

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-24033 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-24033

NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Mitigation or vendor reference
Unverified legacy reference

URL: https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d

[email protected] - Mailing List, Vendor Advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.