CVE-2026-116544
Open5GS 2.6.1 through 2.8.0 Out-of-Bounds Read via parse_scheme_output
CVSS Score
3.7
EPSS Score
0.0%
EPSS Percentile
0th
Open5GS 2.6.1 through 2.8.0 contains an out-of-bounds read vulnerability in parse_scheme_output() in lib/sbi/conv.c during SUCI de-concealment due to incomplete length validation. Remote unauthenticated UEs or SBI peers can submit a crafted SUCI with a 42-byte scheme output to a UDM, triggering a heap over-read past the buffer.
| CWE | CWE-125 |
| Vendor | open5gs |
| Product | open5gs |
| Published | Oct 26, 2026 |
| Last Updated | Oct 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
open5gs / open5gs
2.6.1 ≤ 2.8.0
References
github.com: https://github.com/open5gs/open5gs/security/advisories/GHSA-vp5f-rg8g-8p7j github.com: https://github.com/open5gs/open5gs/commit/fdddcd5e3359703f0a945b308e64494a18a534f1 github.com: https://github.com/open5gs/open5gs/blob/v2.8.0/lib/sbi/conv.c#L39 github.com: https://github.com/open5gs/open5gs vulncheck.com: https://www.vulncheck.com/advisories/open5gs-2.6.1-through-2.8.0-out-of-bounds-read-via-parse-scheme-output
Credits
Eun0us / Espilon VulnCheck