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.
CVE-2026-2062
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 52% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 65(Attend)EG Risk 65/100SSVC: Attend
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation40% × 40%Automatability100% × 15%Action: Remediate soon — notable exploitation risk. - EPSS PROB
- 1%
- EPSS %ILE
- 51%
- KEV
- Not listed
Published
February 6, 2026
Last Modified
June 17, 2026
Advisory Details (4)
Auto-updated Aug 6, 2026[Bug]: SGW-C crashes on S11 CreateSessionRequest with OI flag (uninitialized PGW S5U address → `ogs_assert(rv == OGS_OK)` in `sgwc_s11_build_create_session_response`) · Issue #4257 · open5gs/open5gs · GitHub
https://github.com/open5gs/open5gs/issues/4257#issue-3787701521[Bug]: SGW-C crashes on S11 CreateSessionRequest with OI flag (uninitialized PGW S5U address → `ogs_assert(rv == OGS_OK)` in `sgwc_s11_build_create_session_response`) · Issue #4257 · open5gs/open5gs · GitHub
https://github.com/open5gs/open5gs/issues/4257commit f1bbd7b57f83 (open5gs/open5gs)
Patch available: open5gs/open5gs v2.7.7 (contains commit f1bbd7b57f83)
https://github.com/open5gs/open5gs/commit/f1bbd7b57f831e2a070780a7d8d5d4c73babdb59GitHub - open5gs/open5gs: Open5GS is a C-language Open Source implementation for 5G Core and EPC, i.e. the core network of LTE/NR network (Release-19) · GitHub
https://github.com/open5gs/open5gs/Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 29× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 169 total refreshes for this CVE.
- 2026-09-19 18:30 UTCOSV refresh
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