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Medium 6.5Published May 17, 2026

CVE-2026-8746A security flaw has been discovered in Open5GS up to 2.7.7.

Updated under an hour ago ()

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It affects open5gs. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-119, CWE-416
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Modified
Record last updated
Jun 17, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
open5gs open5gs
open5gs:open5gs
through 2.7.7
NVD

References

  • product
  • exploit, issue-tracking
  • third-party-advisory, vdb-entry
  • third-party-advisory, vdb-entry
  • permissions-required, vdb-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.

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