CVE-2026-8743

LOW EPSS 13.0%
Published May 17, 20261mo ago · Modified Jun 17, 20261w ago
2.1 CVSS 4.0
Low
Find Similar
Published May 17, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability was found in Open5GS up to 2.7.6. This impacts the function ran_ue_find_by_amf_ue_ngap_id of the file src/amf/context.c of the component AMF/MME. Performing a manipulation results in improper authorization. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The patch is named 5746b8576cfceec18ed87eb7d8cf11b1fb4cd8b1. It is suggested to install a patch to address this issue.

CVSS Details

Base Score
2.1
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
13.0% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 2

CWE-266
CWE-285

Affected Products 1

VendorProductVersionRange
open5gsopen5gs* ≤2.7.6

References 7

  • github.com https://github.com/open5gs/open5gs/
    Product
  • github.com https://github.com/open5gs/open5gs/commit/5746b8576cfceec18ed87eb7d8cf11b1fb4cd8b1
    Patch
  • github.com https://github.com/open5gs/open5gs/issues/4498
    ExploitIssue Tracking
  • github.com https://github.com/open5gs/open5gs/pull/4553
    Issue TrackingPatch
  • vuldb.com https://vuldb.com/submit/814559
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/vuln/364330
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/vuln/364330/cti
    Permissions RequiredVDB Entry

Remediation

  • github.com https://github.com/open5gs/open5gs/commit/5746b8576cfceec18ed87eb7d8cf11b1fb4cd8b1
    Patch
  • github.com https://github.com/open5gs/open5gs/pull/4553
    Issue TrackingPatch