PT-2026-41537 · Open5Gs · Open5Gs

Ziyulin · Published 2026-05-17 · Updated 2026-05-17 · CVE-2026-8745

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 remote denial of service can be triggered in the AUSF component. The issue exists within the ogs timer add() function located in the /src/ausf/nausf-handler.c library.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the ogs timer add() function in the AUSF component to minimize the risk of exploitation.

Exploit

DoS

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

CVE-2026-8745

Affected Products

Open5Gs

References · 9

• 🔥 https://github.com/open5gs/open5gs/issues/4472 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-8745 · Security Note
• https://t.me/cveNotify/163773 · Telegram Post
• https://t.me/CVEtracker/54044 · Telegram Post
• https://vuldb.com/vuln/364332 · Note
• https://github.com/open5gs/open5gs · Note
• https://vuldb.com/submit/817031 · Note
• https://twitter.com/VulmonFeeds/status/2055964286267117929 · Twitter Post
• https://vuldb.com/vuln/364332/cti · Note