PT-2026-39594 · Open5Gs · Open5Gs

Franklin · Published 2026-05-11 · Updated 2026-05-11 · CVE-2026-8288

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 can occur in the SMF component due to the manipulation of the n1SmMsg argument. This issue resides in the gsm handle pdu session modification qos flow descriptions() function within the src/smf/gsm-handler.c file.

Recommendations As a temporary workaround, restrict access to the gsm handle pdu session modification qos flow descriptions() function to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

CVE-2026-8288

Affected Products

Open5Gs

References · 10

• 🔥 https://github.com/open5gs/open5gs/issues/4452 · Exploit
• https://github.com/open5gs/open5gs/pull/4513 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-8288 · Security Note
• https://t.me/CVEtracker/53373 · Telegram Post
• https://vuldb.com/vuln/362585/cti · Note
• https://github.com/open5gs/open5gs · Note
• https://twitter.com/CVEnew/status/2053954482292036020 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2053831120765009965 · Twitter Post
• https://vuldb.com/submit/808489 · Note
• https://vuldb.com/vuln/362585 · Note