Vulnerabilities CVE-2026-73196

CVE-2026-73196

Medium

Open

TLP:CLEAR

Ipa: freeipa: authenticated dos in `otptoken-add` via unbounded otp key decoding/re-encoding

NVD CVE.org

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Description

A flaw was found in FreeIPA. A low-privilege authenticated user can exploit this vulnerability by submitting an oversized One-Time Password (OTP) key value. This oversized key is then decoded and re-encoded without proper size limits, consuming excessive CPU and memory resources. This can lead to a denial of service, degrading the availability of the IPA service.

Details

CVSS Score: 4.3
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Confidence: 90%
Published: Aug 20, 2026
Last Modified: Aug 20, 2026

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