PT-2026-39569 · Open5Gs · Open5Gs

Franklin · Published 2026-05-11 · Updated 2026-05-11 · CVE-2026-8270

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

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 SMF component through the manipulation of the ogs nas parse qos rules() function.

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-2026-8270

Affected Products

Open5Gs

References · 7

• 🔥 https://github.com/open5gs/open5gs/issues/4451 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-8270 · Security Note
• https://twitter.com/VulmonFeeds/status/2053761979924316548 · Twitter Post
• https://vuldb.com/vuln/362567 · Note
• https://github.com/open5gs/open5gs · Note
• https://vuldb.com/vuln/362567/cti · Note
• https://vuldb.com/submit/808488 · Note