CVE-2026-8743A vulnerability was found in Open5GS up to 2.7.6.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 6.3 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- Weakness (CWE)
- CWE-266, CWE-285
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
open5gs open5gs open5gs:open5gs | through 2.7.6 | NVD |
References
- https://github.com/open5gs/open5gs/product
- https://github.com/open5gs/open5gs/commit/5746b8576cfceec18ed87eb7d8cf11b1fb4cd8b1patch
- https://github.com/open5gs/open5gs/issues/4498exploit, issue-tracking
- https://github.com/open5gs/open5gs/pull/4553issue-tracking, patch
- https://vuldb.com/submit/814559third-party-advisory, vdb-entry
- https://vuldb.com/vuln/364330third-party-advisory, vdb-entry
- https://vuldb.com/vuln/364330/ctipermissions-required, vdb-entry
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.