CVE-2026-7601Open5GS AMF gmm-handler.c denial of service
Updated under an hour ago ()
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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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A vulnerability has been found in Open5GS up to 2.7.6. Affected is an unknown function of the file src/amf/gmm-handler.c of the component AMF. The manipulation of the argument reg_type leads to denial of service. The attack is possible to be carried out remotely. Upgrading to version 2.7.7 is able to address this issue. The identifier of the patch is ebc66942b6f8f1fab2d640e71cf4e9f1a423b426. It is advisable to upgrade the affected component.
- CVSS
- 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
- Weakness (CWE)
- CWE-404
- 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
- May 4, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
n/a Open5GS open5gs:open5gs | 2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; 2.7.5; 2.7.6; 2.7.7 not affected | CNA record |
References
- https://vuldb.com/vuln/360558vdb-entry, technical-description
- https://vuldb.com/vuln/360558/ctisignature, permissions-required
- https://vuldb.com/submit/805675third-party-advisory
- https://github.com/open5gs/open5gs/issues/4321issue-tracking
- https://github.com/open5gs/open5gs/commit/ebc66942b6f8f1fab2d640e71cf4e9f1a423b426patch
- https://github.com/open5gs/open5gs/releases/tag/v2.7.7patch
- 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.