CVE-2026-8743
Open5GS AMF/MME context.c ran_ue_find_by_amf_ue_ngap_id improper authorization
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fix or patch referenced
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: poc
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: poc · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- n/a Open5GS
2.7.0, 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5, 2.7.6