CVE-2026-56703

HIGHPre-NVD 7.27.2—
EchelonGraph scoreHIGH confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-25. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.2Exploit: Elevated riskExposed: 0

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

Adminer before 5.4.3 contains a remote code execution vulnerability in SQLite query handling where VACUUM INTO is not blocked despite ATTACH restrictions. Authenticated attackers can execute VACUUM INTO to write PHP code to arbitrary file paths and execute commands on the server.

CVSS v3
7.2
EG Score
7.2(high)
EG Risk
48(Track*)
EG Risk 48/100SSVC: 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
Severity72% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
64%
KEV
Not listed

Published

August 25, 2026

Last Modified

August 25, 2026

Advisory Details (2)

Auto-updated Aug 25, 2026
Patch available. Sources: github.
generic

Adminer before 5.4.3 Remote Code Execution via SQLite VACUUM INTO | Advisories | VulnCheck

https://www.vulncheck.com/advisories/adminer-before-remote-code-execution-via-sqlite-vacuum-into
github Patch Available

RCE via SQLite VACUUM INTO (ATTACH Blocklist Bypass) · Advisory · vrana/adminer · GitHub

https://github.com/vrana/adminer/security/advisories/GHSA-gmx3-g29w-77wf

Vendor Advisories for CVE-2026-56703(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 26× in last 7d / 26× 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. 2026-08-30 05:39 UTCEG score recompute
  2. 2026-08-30 05:39 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-29 17:49 UTCGHSA enrichment
  5. 2026-08-29 05:55 UTCEG score recompute
  6. 2026-08-29 05:55 UTCGHSA enrichment
  7. 2026-08-28 21:42 UTCEPSS rescore
  8. 2026-08-28 18:01 UTCGHSA enrichment
  9. 2026-08-28 06:04 UTCGHSA enrichment
  10. 2026-08-27 18:12 UTCEG score recompute
  11. 2026-08-27 18:11 UTCGHSA enrichment
  12. 2026-08-27 14:25 UTCEPSS rescore
  13. 2026-08-27 06:05 UTCGHSA enrichment
  14. 2026-08-26 18:12 UTCEG score recompute
  15. 2026-08-26 18:11 UTCGHSA enrichment
  16. 2026-08-26 14:46 UTCEPSS rescore
  17. 2026-08-26 06:10 UTCEG score recompute
  18. 2026-08-26 06:10 UTCGHSA enrichment
  19. 2026-08-25 18:20 UTCEG score recompute
  20. 2026-08-25 18:20 UTCGHSA enrichment
  21. 2026-08-25 14:13 UTCEG score recompute
  22. 2026-08-25 14:13 UTCGHSA enrichment
  23. 2026-08-25 13:49 UTCEPSS rescore
  24. 2026-08-25 02:19 UTCEG score recompute
  25. 2026-08-25 01:50 UTCEG score recompute
Show 1 more
  1. 2026-08-25 01:50 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-56703?
CVE-2026-56703 is a high vulnerability published on August 25, 2026. Adminer before 5.4.3 contains a remote code execution vulnerability in SQLite query handling where VACUUM INTO is not blocked despite ATTACH restrictions. Authenticated attackers can execute VACUUM INTO to write PHP code to arbitrary file paths and execute commands on the server.
When was CVE-2026-56703 disclosed?
CVE-2026-56703 was first published in the National Vulnerability Database on August 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-56703 actively exploited?
CVE-2026-56703 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 36.3% of all scored CVEs.
What is the CVSS score of CVE-2026-56703?
CVE-2026-56703 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-56703?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-56703, 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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