High 7.4Published Aug 24, 2026

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

Updated under an hour ago (2026-10-19 10:30 UTC)

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It affects n/a Open5GS. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 7.4 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C
Weakness (CWE): CWE-125, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Aug 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

n/a Open5GS open5gs:open5gs	2.8.0	CNA record

References

https://vuldb.com/vuln/394540vdb-entry, technical-description
https://vuldb.com/vuln/394540/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-78157third-party-advisory
https://vuldb.com/submit/882953third-party-advisory
https://github.com/open5gs/open5gs/issues/4663issue-tracking
https://github.com/open5gs/open5gs/commit/c18dc6938bf63cc7374315d3dca303d92066e746patch
https://github.com/open5gs/open5gs/product

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.