CVE-2026-73196

🔶 medium

Summary

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.

CVSS Score

4.3

Medium

EPSS Score

0.2

Exploit Probability

Published Date

2026-08-20

First Seen: 2026-08-21

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 5.3% of all 350,976 vulnerabilities in our database.

#332,237

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Aug 20, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

🏆 Discovered By

This issue was discovered by Found by AISLE in partnership with Red Hat.

SSVC data provided by CISA

Last Modified 2026-08-24

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-770

📦 Affected Products 6

Vendor	Product	Status	Affected Versions
redhat	enterprise_linux	Affected	v10.0
redhat	enterprise_linux	Affected	v6.0
redhat	enterprise_linux	Affected	v7.0
redhat	enterprise_linux	Affected	v8.0
redhat	enterprise_linux	Affected	v9.0
freeipa	freeipa	Affected	< 4.13.3

🔗 References 2

https://access.redhat.com/security/cve/CVE-2026-73196

Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2474712

Issue Tracking Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-11861	⛔ critical	9.6	0.2	A flaw was found in FreeIPA. When a trust relationship is configured between FreeIPA and Active Directory, Active Direct...	2026-08-20
CVE-2026-13097	⚠️ high	8.7	0.3	A privilege escalation flaw was found in FreeIPA. The uniqueness constraint enforced on Kerberos principal name attribut...	2026-08-20
CVE-2026-73197	⚠️ high	7.5	0.3	A flaw was found in FreeIPA. A remote, unauthenticated attacker can exploit this vulnerability by sending oversized form...	2026-08-20
CVE-2026-73198	⚠️ high	7.5	0.3	A flaw was found in FreeIPA. A remote, unauthenticated attacker can exploit a vulnerability in the `/ipa/i18n_messages` ...	2026-08-20
CVE-2026-19617	🔶 medium	5.5	0.1	A flaw was found in libdm. A local attacker could craft a malicious Logical Volume Manager (LVM) metadata configuration ...	2026-08-14
CVE-2026-58224	🔶 medium	6.5	0.3	A flaw was found in Samba's CTDB, the clustered database service used by Samba. Insufficient integrity validation of rec...	2026-08-14

These CVEs affect the same products