PT-2026-39631 · Open5Gs · Open5Gs

Linju · Published 2026-05-11 · Updated 2026-05-14 · CVE-2026-8291

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Open5GS versions prior to 2.7.8

Description A weakness in the NRF component allows a remote attacker to cause a denial of service. The issue exists within the ogs nnrf nfm handle nf profile() function located in the lib/sbi/nnrf-handler.c file.

Recommendations As a temporary workaround, restrict access to the ogs nnrf nfm handle nf profile() function until a patch is available.

Exploit

Fix

DoS

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

CVE-2026-8291

Affected Products

Open5Gs

References · 10

• 🔥 https://github.com/open5gs/open5gs/issues/4456 · Exploit
• https://github.com/open5gs/open5gs/pull/4534 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-8291 · Security Note
• https://vuldb.com/vuln/362588 · Note
• https://vuldb.com/submit/808508 · Note
• https://twitter.com/VulmonFeeds/status/2053884916371202079 · Twitter Post
• https://t.me/cveNotify/163501 · Telegram Post
• https://twitter.com/CVEnew/status/2053954478341026146 · Twitter Post
• https://github.com/open5gs/open5gs · Note
• https://vuldb.com/vuln/362588/cti · Note