PT-2026-39334 · Open5Gs · Open5Gs

0Wln3D · Published 2026-05-09 · Updated 2026-05-09 · CVE-2026-8186

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/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 out-of-bounds read can occur in the NF component within the ogs sbi client send via scp or sepp() function located in the lib/sbi/client.c library. This issue is triggered through specific manipulation of the system.

Recommendations Install patch d5bc487fcf9ea87d2b03f2ef95123af344773bfb to resolve the issue.

Exploit

Fix

Buffer Overflow

Out of bounds Read

Weakness Enumeration

CWE-119

CWE-125

Related Identifiers

CVE-2026-8186

Affected Products

Open5Gs

References · 12

• 🔥 https://github.com/open5gs/open5gs/issues/4491 · Exploit
• https://github.com/open5gs/open5gs/commit/d5bc487fcf9ea87d2b03f2ef95123af344773bfb · Patch
• https://github.com/open5gs/open5gs/pull/4496 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-8186 · Security Note
• https://twitter.com/VulmonFeeds/status/2053096026496553137 · Twitter Post
• https://twitter.com/CVEnew/status/2053131370902536528 · Twitter Post
• https://vuldb.com/vuln/362338/cti · Note
• https://vuldb.com/submit/800024 · Note
• https://vuldb.com/vuln/362338 · Note
• https://github.com/open5gs/open5gs · Note
• https://t.me/cveNotify/162869 · Telegram Post
• https://t.me/CVEtracker/53223 · Telegram Post