CVE•Published 2026-05-04•Modified 2026-05-06•0 articles on news•6 live references•NVD data

CVE-2026-7736Osrg · Gobgp

Vulnerability data via NVD (ingested)

CVSS v3.1

7.3

HIGH

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

EPSS percentile

Exploit Prediction Scoring System · top 86% of all CVEs

Weaknesses (CWE)

CWE-189 CWE-191Integer Underflow (Wrap or Wraparound)

Description

A vulnerability was determined in osrg GoBGP up to 4.3.0. Affected by this vulnerability is the function parseRibEntry of the file pkg/packet/mrt/mrt.go. Executing a manipulation can lead to integer underflow. It is possible to launch the attack remotely. Upgrading to version 4.4.0 addresses this issue. This patch is called 76d911046344a3923cbe573364197aa081944592. It is suggested to upgrade the affected component.

Timeline

Published 2026-05-04

Modified 2026-05-06

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-7736

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Osrg Gobgp"

All exposed Osrg Gobgp instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Gobgp"

HTTP body or banner mentions "Gobgp" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-7736