CVE-2026-7734

Name: CVE-2026-7734
Creator: NVD / NIST
Published: 2026-05-04T06:16:02.197+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.9/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2026-7734 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. A vulnerability has been found in osrg GoBGP up to 4.3.0. This impacts the function SRv6L3ServiceAttribute.DecodeFromBytes of the file pkg/packet/bgp/prefix_sid.go of the component SRv6 L3 Service. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

A vulnerability has been found in osrg GoBGP up to 4.3.0. This impacts the function SRv6L3ServiceAttribute.DecodeFromBytes of the file pkg/packet/bgp/prefix_sid.go of the component SRv6 L3 Service. Such manipulation of the argument data leads to denial of service. The attack may be performed from remote. Upgrading to version 4.4.0 will fix this issue. The name of the patch is f9f7b55ec258e514be0264871fa645a2c3edad11. You should upgrade the affected component.

Metrics

CVSS 3.1

7.5/10

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

CVSS 4.0

6.9/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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

EPSS Probability

0.46%

36.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-404

Affected Software

Vendor	Product	Versions
Osrg	Gobgp	< 4.4.0

References

https://github.com/osrg/gobgp/Product
https://github.com/osrg/gobgp/commit/f9f7b55ec258e514be0264871fa645a2c3edad11Patch
https://github.com/osrg/gobgp/releases/tag/v4.4.0Patch, Product
https://vuldb.com/submit/807581Third Party Advisory, VDB Entry
https://vuldb.com/vuln/360909Third Party Advisory, VDB Entry
https://vuldb.com/vuln/360909/ctiPermissions Required, VDB Entry

Timeline

Published: May 4, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-7734?

How severe is CVE-2026-7734?

CVE-2026-7734 has a CVSS score of 6.9/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2026-7734?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-7734?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST