Low 3.7Published Oct 26, 2026

CVE-2026-116544Open5GS 2.6.1 through 2.8.0 Out-of-Bounds Read via parse_scheme_output

Updated under an hour ago (Oct 30, 2026, 1:00 AM ET)

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No exploitation reported and no EPSS estimate yet.

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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.

CVSS: 3.7 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness (CWE): CWE-125
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 26, 2026
First seen by InfoSec Signals: Oct 26, 2026

Affected products

Affected products

open5gs open5gs open5gs:open5gs (from the name)	from 2.6.1 through 2.8.0	CNA record

References

References

https://github.com/open5gs/open5gs/security/advisories/GHSA-vp5f-rg8g-8p7j	vendor-advisory
https://github.com/open5gs/open5gs/commit/fdddcd5e3359703f0a945b308e64494a18a534f1	patch
https://github.com/open5gs/open5gs/blob/v2.8.0/lib/sbi/conv.c#L39	technical-description
https://github.com/open5gs/open5gs	product
https://www.vulncheck.com/advisories/open5gs-2.6.1-through-2.8.0-out-of-bounds-read-via-parse-scheme-output	third-party-advisory

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.