CVE-2026-7734: V4 · GoBGP has an Improper Resource Shutdown or Release
Affects github.com/osrg/gobgp/v4Source GCVE Database
Not known to be exploited · CVSS 6.9 Medium : upgrade to 4.4.0 when convenient.
Data as of 27 Oct 2026, 00:07 UTC
- Patch
- Available – fixed in 4.4.0
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:XExploitation evidence
Disclosed: evidence found.
CVE published 4 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade github.com/osrg/gobgp/v4 to 4.4.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Gogithub.com/osrg/gobgp/v4 | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
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. Users should upgrade the affected component.
References
- nvd.nist.gov/vuln/detail/CVE-2026-7734 (opens in a new tab)
- github.com/osrg/gobgp/commit/f9f7b55ec258e514be0264871fa645a2c3edad11 (opens in a new tab)
- github.com/osrg/gobgp (opens in a new tab)
- github.com/osrg/gobgp/releases/tag/v4.4.0 (opens in a new tab)
- vuldb.com/submit/807581 (opens in a new tab)
- vuldb.com/vuln/360909 (opens in a new tab)
- vuldb.com/vuln/360909/cti (opens in a new tab)