CVE-2026-5124A security vulnerability has been detected in osrg GoBGP up to 4.3.0.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A security vulnerability has been detected in osrg GoBGP up to 4.3.0. Affected is the function BGPHeader.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP Header Handler. The manipulation leads to improper access controls. Remote exploitation of the attack is possible. The attack is considered to have high complexity. The exploitability is told to be difficult. The identifier of the patch is f0f24a2a901cbf159260698211ab15c583ced131. To fix this issue, it is recommended to deploy a patch.
- CVSS
- 3.7 LOW (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weakness (CWE)
- CWE-266, CWE-284
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
osrg gobgp osrg:gobgp | before 4.4.0 | NVD |
References
- https://github.com/osrg/gobgp/product
- https://github.com/osrg/gobgp/commit/f0f24a2a901cbf159260698211ab15c583ced131patch
- https://github.com/osrg/gobgp/pull/3340issue-tracking
- https://vuldb.com/submit/780189third-party-advisory, vdb-entry
- https://vuldb.com/vuln/354156third-party-advisory, vdb-entry
- https://vuldb.com/vuln/354156/ctipermissions-required, vdb-entry
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.