CVE-2026-2062

low-risk
Published 2026-02-06

A vulnerability was identified in Open5GS up to 2.7.6. This affects the function sgwc_s5c_handle_modify_bearer_response/sgwc_sxa_handle_session_modification_response of the component PGW S5U Address Handler. The manipulation leads to null pointer dereference. The attack can be initiated remotely. The exploit is publicly available and might be used. The identifier of the patch is f1bbd7b57f831e2a070780a7d8d5d4c73babdb59. Applying a patch is the recommended action to fix this issue.

Do I need to act?

-
0.06% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Open5Gs

References (7)

Product https://github.com/open5gs/open5gs/
Patch https://github.com/open5gs/open5gs/commit/f1bbd7b57f831e2a070780a7d8d5d4c73babdb...
Exploit https://github.com/open5gs/open5gs/issues/4257
Exploit https://github.com/open5gs/open5gs/issues/4257#issue-3787701521
Permissions Required https://vuldb.com/?ctiid.344622
Third Party Advisory https://vuldb.com/?id.344622
Third Party Advisory https://vuldb.com/?submit.744719
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal