PT-2026-39442 · Open5Gs · Open5Gs

Linziyu · Published 2026-05-10 · Updated 2026-05-12 · CVE-2026-8224

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 denial of service can be triggered in the PCF component via the pcf sess set ipv6prefix() function located in the /src/pcf/context.c file. This occurs through the manipulation of the SmPolicyContextData.ipv6AddressPrefix argument.

Recommendations Update to a version later than 2.7.7. As a temporary workaround, restrict access to the pcf sess set ipv6prefix() function to minimize the risk of exploitation.

Exploit

Fix

DoS

Improper Resource Release

Weakness Enumeration

CWE-404

Related Identifiers

CVE-2026-8224

Affected Products

Open5Gs

References · 12

• 🔥 https://github.com/open5gs/open5gs/issues/4439 · Exploit
• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8224.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-8224 · Security Note
• https://osv.dev/vulnerability/CVE-2026-8224 · Vendor Advisory
• https://twitter.com/CVEnew/status/2053537496567529575 · Twitter Post
• https://vuldb.com/vuln/362441/cti · Note
• https://t.me/CVEtracker/53267 · Telegram Post
• https://t.me/cveNotify/163261 · Telegram Post
• https://github.com/open5gs/open5gs · Note
• https://t.me/cveNotify/162907 · Telegram Post
• https://vuldb.com/submit/808443 · Note
• https://vuldb.com/vuln/362441 · Note