CVE-2026-15194: Buffer Overflow (CVSS 3.3)

Description

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.

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CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0012

Probability of exploitation

0.02%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-416 Use After Free

References

Other References

https://github.com/open5gs/open5gs/ https://github.com/open5gs/open5gs/security/advisories/GHSA-88pq-hpwv-2vjw https://vuldb.com/cve/CVE-2026-15194 https://vuldb.com/submit/851630 https://vuldb.com/vuln/377122 https://vuldb.com/vuln/377122/cti

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2026-15194? +

CVE-2026-15194 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0012, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-15194? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-15194