A vulnerability has been found in Free5GC pcf up to 1.4.1. This affects the function HandleCreateSmPolicyRequest of the file internal/sbi/processor/smpolicy.go. The manipulation leads to null pointer dereference. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is df535f5524314620715e842baf9723efbeb481a7. Applying a patch is the recommended action to fix this issue.
CVE-2026-1739
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 50% 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
- 53%
- KEV
- Not listed
Published
February 2, 2026
Last Modified
June 17, 2026
Advisory Details (5)
Auto-updated Aug 6, 2026fix: smData mispositioned
Patch available: free5gc/pcf v1.4.2 (PR #62 merged 2026-01-21)
https://github.com/free5gc/pcf/pull/62commit df535f552431 (free5gc/pcf)
Patch available: free5gc/pcf v1.4.2 (contains commit df535f552431)
https://github.com/free5gc/pcf/commit/df535f5524314620715e842baf9723efbeb481a7[Bugs]PCF crashes (nil pointer dereference) when CreateSmPolicy triggers downstream OpenAPI 404 (DoS) · Issue #803 · free5gc/free5gc · GitHub
https://github.com/free5gc/free5gc/issues/803#issue-3815770007[Bugs]PCF crashes (nil pointer dereference) when CreateSmPolicy triggers downstream OpenAPI 404 (DoS) · Issue #803 · free5gc/free5gc · GitHub
https://github.com/free5gc/free5gc/issues/803Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 5× in last 7d / 25× 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 158 total refreshes for this CVE.
- 2026-09-19 18:30 UTCOSV refresh
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- 2026-08-02 21:45 UTCEG score recompute▲ 2.20
- 2026-08-02 21:45 UTCGHSA enrichment
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Frequently asked(5)
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