CVE-2026-31278

HIGHPre-NVD 7.77.7—
EchelonGraph scoreHIGH confidence

Score 7.7 from GitHub Security Advisory (severity: HIGH) published 2026-09-14. a secondary CVSS source baseline 7.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
7.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.7Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An issue in the /api/v2/setting/adserversetting endpoint of Suprema BioStar 2 before 2.9.12 and and BioStar X before 1.0.2 allows attackers to obtain Active Directory service account credentials in cleartext by supplying a crafted GET request.

CVSS v3
7.7
EG Score
7.7(high)
EG Risk
51(Track)
EG Risk 51/100SSVC: Track

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 computed
Severity77% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 16, 2026

Advisory Details (2)

Auto-updated Sep 14, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

GitHub - mda1r/CVE-2026-31278: CVE write-up for Active Directory credential exposure vulnerability in Suprema BioStar 2 · GitHub

https://github.com/mda1r/biostar2-ad-credential-exposure
generic

Suprema | Security & Biometrics

https://www.supremainc.com

Vendor Advisories for CVE-2026-31278(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 27× in last 7d / 27× 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.

  1. 2026-09-19 16:50 UTCEG score recompute
  2. 2026-09-19 16:49 UTCGHSA enrichment
  3. 2026-09-19 04:35 UTCEG score recompute
  4. 2026-09-19 04:35 UTCGHSA enrichment
  5. 2026-09-18 19:28 UTCEPSS rescore
  6. 2026-09-18 19:27 UTCEPSS rescore
  7. 2026-09-18 16:22 UTCGHSA enrichment
  8. 2026-09-18 04:09 UTCEG score recompute
  9. 2026-09-18 04:09 UTCGHSA enrichment
  10. 2026-09-17 19:30 UTCEPSS rescore
  11. 2026-09-17 15:56 UTCGHSA enrichment
  12. 2026-09-17 03:43 UTCGHSA enrichment
  13. 2026-09-16 15:29 UTCEG score recompute
  14. 2026-09-16 15:29 UTCGHSA enrichment
  15. 2026-09-16 14:38 UTCEG score recompute
  16. 2026-09-16 14:38 UTCGHSA enrichment
  17. 2026-09-16 14:08 UTCEPSS rescore
  18. 2026-09-16 05:15 UTCEPSS rescore
  19. 2026-09-16 03:17 UTCGHSA enrichment
  20. 2026-09-15 15:03 UTCEG score recompute
  21. 2026-09-15 15:03 UTCGHSA enrichment
  22. 2026-09-15 02:46 UTCGHSA enrichment
  23. 2026-09-14 14:33 UTCEG score recompute
  24. 2026-09-14 14:33 UTCGHSA enrichment
  25. 2026-09-14 02:20 UTCEG score recompute
Show 2 more
  1. 2026-09-14 01:45 UTCEG score recompute
  2. 2026-09-14 01:44 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-31278?
CVE-2026-31278 is a high vulnerability published on September 14, 2026. An issue in the /api/v2/setting/adserversetting endpoint of Suprema BioStar 2 before 2.9.12 and and BioStar X before 1.0.2 allows attackers to obtain Active Directory service account credentials in cleartext by supplying a crafted GET request.
When was CVE-2026-31278 disclosed?
CVE-2026-31278 was first published in the National Vulnerability Database on September 14, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-31278 actively exploited?
CVE-2026-31278 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 93.6% of all scored CVEs.
What is the CVSS score of CVE-2026-31278?
CVE-2026-31278 has a CVSS v3 base score of 7.7 (NVD).
How do I remediate CVE-2026-31278?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-31278, 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

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