CVE-2026-30405: osrg gobgp Uncontrolled Resource Consumption
CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2026-30405DEBIAN-CVE-2026-30405CGA-3f5m-4xx2-5xfjCGA-48hf-r2xv-884mCGA-f3r2-7962-vwjxCGA-m386-g55v-pvvjCGA-p4hc-w343-q73cCGA-w966-3c43-6mpvGHSA-4p9m-8gc4-rw2hGO-2026-4736CGA-2783-2qxq-x67jCGA-2794-gjv8-hjqqCGA-58mr-jjqp-5pw3CGA-wpp5-6c74-h2r7
Published 16-03-2026Last modified 17-03-2026
Vulnerability summary
CVE-2026-30405 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in osrg gobgp. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 46% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.57%
0%100%
Low · +0.24 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 1 · Related 2Timeline
- 16-03-2026PublishedVulnerability first disclosed.
- 17-03-2026Last modifiedVulnerability information updated.
Description
An issue in GoBGP gobgpd v.4.2.0 allows a remote attacker to cause a denial of service via the NEXT_HOP path attribute
CVSS metrics
7 scores · 7 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 7 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · WolfiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · GoEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.57%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
+0.24 pp
From 0.33% on 20-09-2026
20-09-202620-10-2026
EPSS score0.57%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundGobgp
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Chainguard3 products
- cilium-cli< 0.19.5-r0
- kube-vip< 1.2.1-r0
- kube-vip-fips< 1.2.1-r0
Github.com/osrg/gobgp2 products
- v3All versions (No fix recorded)
- v4< 4.4.0 | All versions (No fix recorded)
Wolfi2 products
- cilium-cli< 0.19.5-r0
- kube-vip< 1.2.1-r0
Debian1 product
- gobgpAll versions (No fix recorded) | < 4.3.0-1
Github.com/osrg1 product
- gobgpAll versions (No fix recorded)
Osrg1 product
- gobgp4.2.0
Ubuntu1 product
- gobgpAll versions (No fix recorded)
7 vendors · 11 products
References
11 links
- github.com/osrg/gobgpPACKAGE