---
title: "CVE-2026-111810: Apache Traffic Server - Denial of Service"
description: "Apache Traffic Server 9.2.15, 10.1.4, and 10.2.0 contain a denial of service caused by unthrottled logging of internal @ headers, letting attackers cause excessive log data generation, exploit requires sending many internal @ headers in requests."
url: https://panop.io/threat-heartbeat/CVE-2026-111810/
---

# CVE-2026-111810 Apache Traffic Server - Denial of Service

Apache Traffic Server 9.2.15, 10.1.4, and 10.2.0 contain a denial of service caused by unthrottled logging of internal @ headers, letting attackers cause excessive log data generation, exploit requires sending many internal @ headers in requests.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-111810)

## Details

Type

Denial of Service

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Published

21 October 2026

Updated

22 October 2026

Weakness

[CWE-400](https://cwe.mitre.org/data/definitions/400.html)

## Vendor fix

Upgrade to versions 9.2.16, 10.1.5, or 10.2.1.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-111810](https://nvd.nist.gov/vuln/detail/CVE-2026-111810)
- [https://lists.apache.org/thread/r95dq29ywcd1f4x30snxlqmb12z4s4kc](https://lists.apache.org/thread/r95dq29ywcd1f4x30snxlqmb12z4s4kc)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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