CVE-2026-8746

4.3 MEDIUM
Published: May 17, 2026 Modified: May 18, 2026
View on NVD

Description

A security flaw has been discovered in Open5GS up to 2.7.7. Affected by this issue is the function discover_handler in the library /lib/sbi/nghttp2-server.c of the component NRF. The manipulation results in use after free. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/open5gs/open5gs/
Source: cna@vuldb.com
Product
https://github.com/open5gs/open5gs/issues/4476
Source: cna@vuldb.com
Exploit Issue Tracking
https://vuldb.com/submit/817032
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/vuln/364333
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/vuln/364333/cti
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/submit/817032
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Third Party Advisory VDB Entry

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.3 / 10.0
EPSS (Exploit Probability)
0.4%
28th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

open5gs