PT-2026-36559 · Open5Gs · Open5Gs

Jungnickel · Published 2026-05-02 · Updated 2026-05-02 · CVE-2026-7601

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 2.7.7

Description A remote denial of service issue exists in the AMF component within the src/amf/gmm-handler.c file. The flaw is triggered by the manipulation of the reg type argument.

Recommendations Upgrade to version 2.7.7.

Fix

DoS

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

CVE-2026-7601

Affected Products

Open5Gs

References · 11

• https://github.com/open5gs/open5gs/releases/tag/v2.7.7 · Patch
• https://github.com/open5gs/open5gs/commit/ebc66942b6f8f1fab2d640e71cf4e9f1a423b426 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-7601 · Security Note
• https://github.com/open5gs/open5gs/issues/4321 · Note
• https://vuldb.com/submit/805675 · Note
• https://twitter.com/VulmonFeeds/status/2050417690695655640 · Twitter Post
• https://vuldb.com/vuln/360558/cti · Note
• https://twitter.com/CVEnew/status/2050434977003692043 · Twitter Post
• https://github.com/open5gs/open5gs · Note
• https://twitter.com/infoflowcloud/status/2050436566925898117 · Twitter Post
• https://vuldb.com/vuln/360558 · Note