CVE-2026-1522
highpriority · track · 30EPSS 0.007 · 54 %ileEUUSEPSS · scored 2026-10-28
A weakness has been identified in Open5GS up to 2.7.6. This vulnerability affects the function sgwc_s5c_handle_modify_bearer_response of the file src/sgwc/s5c-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. This patch is called b19cf6a. Applying a patch is advised to resolve this issue. The issue report is flagged as already-fixed.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 2.7–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (24)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2026-1522cnnvd
- https://github.com/open5gs/open5gs/commit/b19cf6acnnvd
- https://github.com/open5gs/open5gs/issues/4266cnnvd
- https://github.com/open5gs/open5gs/issues/4266#event-21968568116cnnvd
- https://github.com/open5gs/open5gs/issues/4266#issue-3794991595cnnvd
- https://vuldb.com/?ctiid.343193cnnvd
- https://vuldb.com/?id.343193cnnvd
- https://vuldb.com/?submit.738371cnnvd
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