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EPSS 0.3%top 83%

CVE-2026-15812: Authentication Bypass by Spoofing in Red Hat Red Hat Enterprise Linux 10

0
Medium
VulnerabilityCVE-2026-15812cvecve-2026-15812
Published: 07/21/2026 (07/21/2026, 05:09:48 UTC)
Source: CVE Database V5
Vendor/Project: Red Hat
Product: Red Hat Enterprise Linux 10

Description

A vulnerability was found in the internal Access Control List (ACL) subsystem of kronosnet (Version affected: <= 1.34). When the framework is explicitly configured to manage dynamic links (accepting network traffic from any IP address) without network payload encryption, the validation architecture implicitly trusts the link ID provided within incoming data packets. A remote, unauthenticated attacker can exploit this lack of validation by spoofing a legitimate link ID inside crafted network frames. This allows the attacker to fully bypass the ACL framework and inject arbitrary data packets into the application layer, potentially leading to data corruption or service instabilities.

CVSS v3.1

Score 4.8medium

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Affected software

redhat/kronosnet
pkg:rpm/redhat/kronosnet
Affected versions
<=1.34

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Data Version
5.2
Assigner Short Name
redhat
Date Reserved
2026-07-15T10:39:01.541Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null
Vendor Advisory Urls
[{"url":"https://access.redhat.com/security/cve/CVE-2026-15812","vendor":"Red Hat"}]

Threat ID: 6a5f06c72a4a8d59899adb68

Added to database: 07/21/2026, 05:42:31 UTC

Last enriched: 07/21/2026, 05:57:00 UTC

Last updated: 09/02/2026, 10:52:07 UTC

Views: 70

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