PT-2026-39541 · Open5Gs · Open5Gs

Linziyu · Published 2026-05-10 · Updated 2026-05-11 · CVE-2026-8248

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 issue exists in the SMF component. The flaw is located in the update authorized pcc rule and qos() function within the /src/smf/npcf-handler.c file. An attacker can remotely manipulate this function to cause the system to become unavailable.

Recommendations Update to a version later than 2.7.7. As a temporary workaround, restrict access to the SMF component to minimize the risk of exploitation.

Exploit

Fix

DoS

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

CVE-2026-8248

Affected Products

Open5Gs

References · 11

• 🔥 https://github.com/open5gs/open5gs/issues/4442 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-8248 · Security Note
• https://vuldb.com/vuln/362545 · Note
• https://github.com/open5gs/open5gs · Note
• https://vuldb.com/vuln/362545/cti · Note
• https://vuldb.com/submit/808472 · Note
• https://twitter.com/VulmonFeeds/status/2053628796205404312 · Twitter Post
• https://t.me/cveNotify/162967 · Telegram Post
• https://t.me/CVEtracker/53324 · Telegram Post
• https://twitter.com/CVEnew/status/2053954562956857536 · Twitter Post
• https://twitter.com/infoflowcloud/status/2053956186630652162 · Twitter Post