CVE-2026-75855

HIGHPre-NVD 8.78.7—
EchelonGraph scoreHIGH confidence

Score 8.7 from GitHub Security Advisory (severity: HIGH) published 2026-08-18. a secondary CVSS source baseline 8.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
8.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.7Exploit: Elevated riskExposed: 0

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

ArcadeDB versions before 26.8.1 fail to sanitize database names in the POST /api/v1/server endpoint's create database and drop database commands, allowing authenticated root users to write and delete arbitrary files outside the configured database directory. Attackers can supply database names containing ../ sequences to create databases at arbitrary filesystem paths or recursively delete directories the server process can access.

CVSS v3
8.7
EG Score
8.7(high)
EG Risk
55(Track)
EG Risk 55/100SSVC: 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
Severity87% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
32%
KEV
Not listed

Published

August 18, 2026

Last Modified

August 19, 2026

Advisory Details (2)

Auto-updated Aug 18, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

ArcadeDB before 26.8.1 Path Traversal via create/drop database | Advisories | VulnCheck

https://www.vulncheck.com/advisories/arcadedb-before-path-traversal-via-create-drop-database
github Patch Available🟡 PoC Available

Path Traversal in "create database" / "drop database" server commands allows arbitrary file write and delete outside the configured database directory · Advisory · ArcadeData/arcadedb · GitHub

https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-qwgr-2c45-63xx

Vendor Advisories for CVE-2026-75855(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 17× in last 7d / 17× 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. 2026-08-21 02:34 UTCEG score recompute
  2. 2026-08-21 02:33 UTCGHSA enrichment
  3. 2026-08-20 22:56 UTCEPSS rescore
  4. 2026-08-20 14:50 UTCGHSA enrichment
  5. 2026-08-20 03:07 UTCEG score recompute
  6. 2026-08-20 03:07 UTCGHSA enrichment
  7. 2026-08-19 17:04 UTCEPSS rescore
  8. 2026-08-19 15:25 UTCEG score recompute
  9. 2026-08-19 15:25 UTCGHSA enrichment
  10. 2026-08-19 14:38 UTCEG score recompute
  11. 2026-08-19 14:38 UTCGHSA enrichment
  12. 2026-08-19 11:56 UTCGHSA enrichment
  13. 2026-08-19 00:15 UTCGHSA enrichment
  14. 2026-08-18 12:33 UTCEG score recompute
  15. 2026-08-18 12:33 UTCGHSA enrichment
  16. 2026-08-18 11:29 UTCEG score recompute
  17. 2026-08-18 11:29 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-75855?
CVE-2026-75855 is a high vulnerability published on August 18, 2026. ArcadeDB versions before 26.8.1 fail to sanitize database names in the POST /api/v1/server endpoint's create database and drop database commands, allowing authenticated root users to write and delete arbitrary files outside the configured database directory. Attackers can supply database names…
When was CVE-2026-75855 disclosed?
CVE-2026-75855 was first published in the National Vulnerability Database on August 18, 2026, with the most recent update on August 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-75855 actively exploited?
CVE-2026-75855 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 67.6% of all scored CVEs.
What is the CVSS score of CVE-2026-75855?
CVE-2026-75855 has a CVSS v3 base score of 8.7 (NVD).
How do I remediate CVE-2026-75855?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-75855, 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-2026-75855

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