PT-2026-5598 · Free5Gc · Free5Gc Pcf

Ziyulin · Published 2026-02-02 · Updated 2026-02-02 · CVE-2026-1739

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 Free5GC PCF versions up to 1.4.1

Description A flaw exists in Free5GC PCF that could allow for a remote null pointer dereference. The issue is located in the HandleCreateSmPolicyRequest function within the internal/sbi/processor/smpolicy.go file. Exploitation of this issue has been publicly disclosed.

Recommendations Apply the patch with identifier df535f5524314620715e842baf9723efbeb481a7.

Exploit

Fix

NULL Pointer Dereference

Improper Resource Release

Weakness Enumeration

CWE-476

CWE-404

Related Identifiers

CVE-2026-1739

Affected Products

Free5Gc Pcf

References · 13

• 🔥 https://github.com/free5gc/free5gc/issues/803 · Exploit
• 🔥 https://github.com/free5gc/free5gc/issues/803#issue-3815770007 · Exploit
• https://github.com/free5gc/pcf/commit/df535f5524314620715e842baf9723efbeb481a7 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-1739 · Security Note
• https://osv.dev/vulnerability/CVE-2026-1739 · Vendor Advisory
• https://github.com/free5gc/pcf/pull/62 · Note
• https://vuldb.com/?ctiid.343638 · Note
• https://t.me/cveNotify/150526 · Telegram Post
• https://vuldb.com/?submit.741194 · Note
• https://twitter.com/VulmonFeeds/status/2018154027834331402 · Twitter Post
• https://github.com/free5gc/pcf · Note
• https://vuldb.com/?id.343638 · Note
• https://t.me/CVEtracker/43443 · Telegram Post