CVE-2026-51860

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-30. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this weekElevated
7.5EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 7.5Exploit: Elevated riskExposed services: Not assessed

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

bisheng 2.3.0, 2.4.0, and 2.4.0-beta1 is vulnerable to Directory Traversal in src/backend/bisheng/linsight/domain/task_exec.py.

CVSS v3
7.5
EG Score
7.5HIGHhigh confidence
EG Risk
65
EG Risk 65/100CISA SSVC

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
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
0.6%
EPSS %ILE
46th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Attend at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 30, 2026

Last Modified

October 1, 2026

Advisory Details (2)

Auto-updated Oct 1, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

CVE-2026-51860 - Directory Traversal in bisheng (task_exec.py:LinsightWorkflowTask._download_file) · GitHub

https://gist.github.com/Ro1ME/e4129afdd9af2ff1bdcecf27ec5098cf
generic🟡 PoC Available

Two Critical Path TraversalVulnerabilities in Bisheng · Issue #1994 · dataelement/bisheng · GitHub

https://github.com/dataelement/bisheng/issues/1994

Vendor Advisories for CVE-2026-51860(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 20× in last 7d / 20× 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. 2026-10-04 07:31 UTCGHSA enrichment
  2. 2026-10-03 19:06 UTCEG score recompute
  3. 2026-10-03 19:06 UTCGHSA enrichment
  4. 2026-10-03 14:26 UTCEPSS rescore
  5. 2026-10-03 06:42 UTCGHSA enrichment
  6. 2026-10-02 18:17 UTCEG score recompute
  7. 2026-10-02 18:17 UTCGHSA enrichment
  8. 2026-10-02 17:56 UTCEPSS rescore
  9. 2026-10-02 05:52 UTCEG score recompute
  10. 2026-10-02 05:52 UTCGHSA enrichment
  11. 2026-10-01 19:50 UTCEPSS rescore
  12. 2026-10-01 17:27 UTCEG score recompute
  13. 2026-10-01 17:27 UTCGHSA enrichment
  14. 2026-10-01 16:28 UTCEG score recompute▲ 7.50
  15. 2026-10-01 16:28 UTCGHSA enrichment
  16. 2026-10-01 16:25 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  17. 2026-10-01 02:35 UTCGHSA enrichment
  18. 2026-09-30 21:24 UTCNVD update
  19. 2026-09-30 21:01 UTCEG score recompute
  20. 2026-09-30 21:00 UTCMITRE cvelistV5first tracked

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Frequently asked(5)

What is CVE-2026-51860?
CVE-2026-51860 is a high vulnerability published on September 30, 2026. bisheng 2.3.0, 2.4.0, and 2.4.0-beta1 is vulnerable to Directory Traversal in src/backend/bisheng/linsight/domain/task_exec.py.
When was CVE-2026-51860 disclosed?
CVE-2026-51860 was first published on September 30, 2026, with the most recent update on October 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-51860 actively exploited?
CVE-2026-51860 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (46th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-51860?
CVE-2026-51860 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-51860?
No fix for CVE-2026-51860 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-51860 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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