CVE-2026-5107
FRRouting FRR EVPN Type-2 Route bgp_evpn.c process_type2_route access control
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.
INFO
Published Date :
March 30, 2026, 6:16 a.m.
Last Modified :
April 29, 2026, 10:01 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Deploy the patch for FRRouting FRR.
- Update the EVPN Type-2 Route Handler component.
- Address improper access controls in bgpd/bgp_evpn.c.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-5107.
| URL | Resource |
|---|---|
| https://github.com/FRRouting/frr/ | Product |
| https://github.com/FRRouting/frr/commit/7676cad65114aa23adde583d91d9d29e2debd045 | Patch |
| https://github.com/FRRouting/frr/pull/21098 | Issue Tracking Patch |
| https://vuldb.com/submit/780123 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/354132 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/354132/cti | Permissions Required VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-5107 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-5107
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-5107 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-5107 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 29, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L Added CPE Configuration OR *cpe:2.3:a:frrouting:frrouting:10.5.0:*:*:*:*:*:*:* *cpe:2.3:a:frrouting:frrouting:10.5.1:*:*:*:*:*:*:* Added Reference Type VulDB: https://github.com/FRRouting/frr/ Types: Product Added Reference Type VulDB: https://github.com/FRRouting/frr/commit/7676cad65114aa23adde583d91d9d29e2debd045 Types: Patch Added Reference Type VulDB: https://github.com/FRRouting/frr/pull/21098 Types: Issue Tracking, Patch Added Reference Type VulDB: https://vuldb.com/submit/780123 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/354132 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/354132/cti Types: Permissions Required, VDB Entry -
New CVE Received by [email protected]
Mar. 30, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L Added CVSS V2 (AV:N/AC:H/Au:S/C:N/I:P/A:P) Added CWE CWE-284 Added CWE CWE-266 Added Reference https://github.com/FRRouting/frr/ Added Reference https://github.com/FRRouting/frr/commit/7676cad65114aa23adde583d91d9d29e2debd045 Added Reference https://github.com/FRRouting/frr/pull/21098 Added Reference https://vuldb.com/submit/780123 Added Reference https://vuldb.com/vuln/354132 Added Reference https://vuldb.com/vuln/354132/cti