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Vulnerability · Published Mar 30, 2026 · Assigned by VulDB

CVE-2026-5107FRRouting FRR EVPN Type-2 Route bgp_evpn.c process_type2_route access control

Medium 4.2

In plain English

A medium-severity improper access control in FRR from FRRouting. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.2Medium
Exploit odds (30 days)0.3%top 79.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in FRRouting FRR up to 10.5.1. This affects the function process_type2_route of the file bgpd/bgp_evpn.c of the component EVPN Type-2 Route Handler. The manipulation leads to improper access controls. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitability is reported as difficult. The identifier of the patch is 7676cad65114aa23adde583d91d9d29e2debd045. To fix this issue, it is recommended to deploy a patch.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12frr8.4.4-1.1~deb12u2DEBIAN-CVE-2026-5107
Debian:13frr10.3-3+deb13u1DEBIAN-CVE-2026-5107
Debian:14frr10.6.0-2DEBIAN-CVE-2026-5107
Ubuntu:22.04:LTSfrr8.1-1ubuntu1.15USN-8175-1
Ubuntu:22.04:LTSfrr8.1-1ubuntu1.15UBUNTU-CVE-2026-5107
Ubuntu:24.04:LTSfrr8.4.4-1.1ubuntu6.6USN-8175-1
Ubuntu:24.04:LTSfrr8.4.4-1.1ubuntu6.6UBUNTU-CVE-2026-5107
Ubuntu:25.10frr10.4.1-3ubuntu1.2UBUNTU-CVE-2026-5107
Ubuntu:25.10frr10.4.1-3ubuntu1.2USN-8175-1

Affected products (as reported)

VendorProductVersions
FRRouting FRR 10.5.010.5.1

Weakness: CWE-284, CWE-266 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C

References