CVE-2026-2521A weakness has been identified in Open5GS up to 2.7.6.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A weakness has been identified in Open5GS up to 2.7.6. This issue affects the function sgwc_s5c_handle_create_session_response of the component SGW-C. Executing a manipulation can lead to memory corruption. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
- CVSS
- 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-119
- 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
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
open5gs open5gs open5gs:open5gs | through 2.7.6 | NVD |
References
- https://github.com/open5gs/open5gs/product
- https://github.com/open5gs/open5gs/issues/4282exploit, issue-tracking, vendor-advisory
- https://github.com/open5gs/open5gs/issues/4282#issue-3807902188exploit, issue-tracking, vendor-advisory
- https://vuldb.com/?ctiid.346109permissions-required, vdb-entry
- https://vuldb.com/?id.346109third-party-advisory, vdb-entry
- https://vuldb.com/?submit.738334third-party-advisory, vdb-entry
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.