CVE-2026-8746
5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Summary
A security flaw has been discovered in Open5GS up to 2.7.7. Affected by this issue is the function discover_handler in the library /lib/sbi/nghttp2-server.c of the component NRF. The manipulation results in use after free. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | Open5GS | 2.7.0 | affected |
| n/a | Open5GS | 2.7.1 | affected |
| n/a | Open5GS | 2.7.2 | affected |
| n/a | Open5GS | 2.7.3 | affected |
| n/a | Open5GS | 2.7.4 | affected |
| n/a | Open5GS | 2.7.5 | affected |
| n/a | Open5GS | 2.7.6 | affected |
| n/a | Open5GS | 2.7.7 | affected |
Weaknesses
- CWE-416: Use After Free
- CWE-119: Memory Corruption
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
Additional References
References
- https://vuldb.com/vuln/364333
- https://vuldb.com/vuln/364333/cti
- https://vuldb.com/submit/817032
- https://github.com/open5gs/open5gs/issues/4476
- https://github.com/open5gs/open5gs/
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