CVE-2026-65100

MediumCVSS 4.8/10Last modified Oct 1, 2026

Description

Apache Traffic Server updates the HTTP/2 HPACK dynamic table before confirming the header block encoded successfully, so an encode failure leaves the encoder out of sync with the peer decoder and corrupts subsequent header blocks on the connection.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.

Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

Metrics

CVSS 3.1 4.8/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Weakness enumeration

CWE-696

Affected software

No affected versions have been published.

Timeline

Published
Jul 29, 2026
Last modified
Oct 1, 2026
NVD status
Modified

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CVE-2026-65100: Medium severity, CVSS 4.8 | Vulnix