CVE-2026-1521A security flaw has been discovered 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 security flaw has been discovered in Open5GS up to 2.7.6. This affects the function sgwc_s5c_handle_bearer_resource_failure_indication of the file src/sgwc/s5c-handler.c of the component SGWC. Performing a manipulation results in denial of service. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The patch is named 69b53add90a9479d7960b822fc60601d659c328b. It is recommended to apply a patch to fix this issue.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- 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
- Not given
- NVD analysis
- Modified
- 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/
- https://github.com/open5gs/open5gs/commit/69b53add90a9479d7960b822fc60601d659c328bpatch
- https://github.com/open5gs/open5gs/issues/4268exploit, issue-tracking, vendor-advisory
- https://github.com/open5gs/open5gs/issues/4268#event-21989483261exploit, issue-tracking, vendor-advisory
- https://github.com/open5gs/open5gs/issues/4268#issue-3795012861exploit, issue-tracking, vendor-advisory
- https://vuldb.com/?ctiid.343192permissions-required, vdb-entry
- https://vuldb.com/?id.343192third-party-advisory, vdb-entry
- https://vuldb.com/?submit.738370exploit, third-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.