PT-2026-34225 · Unknown · Free5Gc Amf

Published 2026-04-21 · Updated 2026-04-25 · CVE-2026-41136

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions free5GC AMF versions prior to 1.4.3

Description The HTTPUEContextTransfer handler in internal/sbi/api communication.go lacks a default case in the Content-Type switch statement. If a request is sent with an unsupported Content-Type, the deserialization process is skipped without triggering an error, causing the processor to be called with an uninitialized UeContextTransferRequest object.

Recommendations Update to version 1.4.3.

Exploit

Fix

Weakness Enumeration

CWE-440

Related Identifiers

CVE-2026-41136

GHSA-R99V-75P9-XQM5

Affected Products

Free5Gc Amf

References · 7

• 🔥 https://github.com/free5gc/free5gc/security/advisories/GHSA-r99v-75p9-xqm5 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-41136 · Security Note
• https://osv.dev/vulnerability/GHSA-r99v-75p9-xqm5 · Vendor Advisory
• https://github.com/free5gc/free5gc · Note
• https://github.com/free5gc/amf/releases/tag/v1.4.3 · Note
• https://twitter.com/CVEnew/status/2048168398295859252 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2046817638681084362 · Twitter Post