PT-2026-36520 · Open5Gs · Open5Gs

Ziyulin · Published 2026-05-01 · Updated 2026-05-01 · CVE-2026-7587

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 AMF component. The issue exists within the amf nsmf pdusession handle update sm context() function located in the /src/amf/nsmf-handler.c file.

Recommendations As a temporary workaround, consider restricting access to the amf nsmf pdusession handle update sm context() function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

CVE-2026-7587

Affected Products

Open5Gs

References · 8

• 🔥 https://github.com/open5gs/open5gs/issues/4408 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7587 · Security Note
• https://vuldb.com/vuln/360540/cti · Note
• https://twitter.com/CVEnew/status/2050269598939755000 · Twitter Post
• https://vuldb.com/vuln/360540 · Note
• https://vuldb.com/submit/804339 · Note
• https://twitter.com/infoflowcloud/status/2050270500597768393 · Twitter Post
• https://github.com/open5gs/open5gs · Note