What’s Vulnerable › Vulnerabilities

CVE-2026-78157: Open5GS Rx AA-Request pcrf-rx-path.c pcrf_rx_aar_cb out-of-bounds

• Severity: high (CVSS 7.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-24 · updated 2026-10-14
• Weakness: CWE-119

Description

A vulnerability was detected in Open5GS 2.8.0. This affects the function pcrf_rx_aar_cb of the file src/pcrf/pcrf-rx-path.c of the component Rx AA-Request Handler. Performing a manipulation results in out-of-bounds read. It is possible to initiate the attack remotely. The patch is named c18dc6938bf63cc7374315d3dca303d92066e746. To fix this issue, it is recommended to deploy a patch.

Affected products

• Open5GS: 2.8.0

References

• https://github.com/open5gs/open5gs/
• https://github.com/open5gs/open5gs/commit/c18dc6938bf63cc7374315d3dca303d92066e746
• https://github.com/open5gs/open5gs/issues/4663
• https://vuldb.com/cve/CVE-2026-78157
• https://vuldb.com/submit/882953
• https://vuldb.com/vuln/394540
• https://vuldb.com/vuln/394540/cti
• https://github.com/open5gs/open5gs/issues/4663

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