Buffer overflow in Open5gs
CVE-2026-15194
A security flaw has been discovered in Open5GS 2.7.7. This affects the function amf_context_final of the file src/amf/context.c of the component AMF. Performing a manipulation results in use after free. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (4.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Open5gs — versions 2.7.7
Weakness classification (CWE)
References
- github.com/open5gs/open5gs/ (product)
- github.com/open5gs/open5gs/security/advisories/GHSA-88pq-hpwv-2vjw (exploit)
- vuldb.com/cve/CVE-2026-15194 (third-party-advisory)
- vuldb.com/submit/851630 (third-party-advisory)
- vuldb.com/vuln/377122 (technical-description, vdb-entry)
- vuldb.com/vuln/377122/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-15194?
- CVE-2026-15194 is a low-severity vulnerability in Open5gs, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2026-07-09.
- How severe is CVE-2026-15194?
- Low severity. CVSS v3 base score is 3.3 out of 10.