A SQL injection vulnerability in the checkSQL function of nocobase v2.1.21 allows attackers to access sesntive database information via injecting crafted SQL statements.
CVE-2026-88402
CRITICALPre-NVD 9.89.8Elevated
EchelonGraph scoreLOW confidence
This critical-severity CVE scores 9.8 under CISA-ADP (Vulnrichment) CVSS v3.1 (NVD's own analysis pending). EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: cisa-adp
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 9.8Exploit: Elevated riskExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(low)
- EG Risk
- 59(Attend)EG Risk 59/100SSVC: 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 computedSeverity98% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Remediate soon — notable exploitation risk. - EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- Not listed
Published
September 21, 2026
Last Modified
September 22, 2026
Advisory Details (1)
Auto-updated Sep 22, 2026🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available
SQL Injection in checkSQL allows bypass of dangerous keyword validation via multi-statement input · Issue #6 · czx1111/cve · GitHub
https://github.com/czx1111/cve/issues/6Vendor Advisories for CVE-2026-88402(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Data Freshness Timeline
(refreshed 0× in last 7d / 0× 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.
- 2026-09-22 14:20 UTCGHSA enrichment
- 2026-09-22 14:06 UTCEG score recompute▲ 9.80
- 2026-09-22 14:06 UTCGHSA enrichment
- 2026-09-22 14:05 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
- 2026-09-21 21:22 UTCNVD update
- 2026-09-21 21:02 UTCEG score recompute
- 2026-09-21 21:01 UTCMITRE cvelistV5first tracked
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Frequently asked(4)
What is CVE-2026-88402?
CVE-2026-88402 is a critical vulnerability published on September 21, 2026. A SQL injection vulnerability in the checkSQL function of nocobase v2.1.21 allows attackers to access sesntive database information via injecting crafted SQL statements.
When was CVE-2026-88402 disclosed?
CVE-2026-88402 was first published in the National Vulnerability Database on September 21, 2026, with the most recent update on September 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-88402?
CVE-2026-88402 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2026-88402?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-88402, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-88402
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