Is CVE-2026-5107 in the CISA KEV catalog?

No. CVE-2026-5107 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-5107?

CVE-2026-5107 has a CVSS v3 base score of 4.2 (Low).

What is the EPSS score for CVE-2026-5107?

CVE-2026-5107 has an EPSS score of 0.28% (20th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5107?

Upgrade frr on debian 12 to 8.4.4-1.1~deb12u2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2026-5107

LOW

4.2

CVSS v3

NVD

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.

CWE-266 CWE-284Improper Access Control

How to fix

Remediation Available

frrDebian

Fixed in:8.4.4-1.1~deb12u2CVE-2026-5107

Fixed in:10.3-3+deb13u1CVE-2026-5107

Fixed in:10.6.0-2CVE-2026-5107

frrUbuntu

Fixed in:7.2.1-1ubuntu0.2+esm4USN-8175-1

Fixed in:8.1-1ubuntu1.15USN-8175-1

Fixed in:8.4.4-1.1ubuntu6.6USN-8175-1

Fixed in:10.4.1-3ubuntu1.2USN-8175-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

0.28%probability of exploitation in 30 days

20thpercentile

Low risk: more likely to be exploited than 20% of all known CVEs.

References

Patch2

Third-Party Advisory2

VDB Entry1

vuldb.com

Product1

github.com

Related Vulnerabilities

Other CWE-266 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-28000	Critical	9.8	68%	-	Fix
CVE-2025-27007	Critical	9.8	51%	-	-
CVE-2025-47539	Critical	9.8	31%	-	Fix
CVE-2022-20759	High	8.8	28%	-	Fix
CVE-2024-13106	Medium	5.3	27%	-	-
CVE-2024-3013	Medium	6.3	23%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.