{"id":77837,"date":"2026-02-24T03:51:18","date_gmt":"2026-02-24T00:21:18","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-27643-free5gc-has-improper-error-handling-in-nef-with-information-exposure\/"},"modified":"2026-02-24T03:51:18","modified_gmt":"2026-02-24T00:21:18","slug":"cve-2026-27643-free5gc-has-improper-error-handling-in-nef-with-information-exposure","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-27643-free5gc-has-improper-error-handling-in-nef-with-information-exposure\/","title":{"rendered":"CVE-2026-27643 &#8211; free5GC has improper error handling in NEF with information exposure"},"content":{"rendered":"<p>CVE ID : CVE-2026-27643<\/p>\n<p>Published :  Feb. 24, 2026, 12:21 a.m. | 44\u00a0minutes ago<\/p>\n<p>Description : free5GC UDR is the user data repository (UDR) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. In versions up to and including 1.4.1, the NEF component reliably leaks internal parsing error details (e.g., invalid character &#8216;n&#8217; after top-level value) to remote clients, which can aid attackers in service fingerprinting. All deployments of free5GC  using the Nnef_PfdManagement service may be affected. free5gc\/udr pull request 56 contains a patch for the issue. There is no direct workaround at the application level. The recommendation is to apply the provided patch.<\/p>\n<p>Severity: 0.0 | NA<\/p>\n<p>Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2026-27643 Published : Feb. 24, 2026, 12:21 a.m. | 44\u00a0minutes ago Description : free5GC UDR is the user data repository (UDR) for free5GC, an an open-source project for 5th generation (5G) mobile core networks. In versions up to and including 1.4.1, the NEF component reliably leaks internal parsing error details (e.g., invalid &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-77837","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/77837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=77837"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/77837\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=77837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=77837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=77837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}