CVE-2026-15686

HIGHPre-NVD 7.27.2—
EchelonGraph scoreHIGH confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-20. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
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: None knownExposed: 0

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

Adminer multi_query Incorrect Check of Function Return Value Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adminer. Authentication is required to exploit this vulnerability.

The specific flaw exists within the multi_query method. The issue results from an incorrect check of a function return value. An attacker can leverage this vulnerability to execute code in the context of the web server. Was ZDI-CAN-28201.

CVSS v3
7.2
EG Score
7.2(high)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
53%
KEV
Not listed

Published

August 20, 2026

Last Modified

September 1, 2026

Advisory Details (2)

Auto-updated Aug 20, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

ZDI-CAN-28201: multi_query Incorrect Check of Function Return Value RCE · Advisory · vrana/adminer · GitHub

https://github.com/vrana/adminer/security/advisories/GHSA-3582-q6xq-5vf7#event-826206
generic

ZDI-26-478 - TrendAI™ Zero Day Initiative™ (ZDI)

https://www.zerodayinitiative.com/advisories/ZDI-26-478/

Vendor Advisories for CVE-2026-15686(1)

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

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
adminer4.8.1-1 ... 6.0.1-1 (13 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
adminer5.2.1+dfsg-1 ... 6.0.1-1 (9 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
adminer5.2.1+dfsg-1, 5.3.0+dfsg-1, 5.4.0+dfsg-1, 5.4.1+dfsg-1, 5.4.2+dfsg-15.4.3+dfsg-1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 24× in last 7d / 122× 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.

Showing the most recent 100 of 122 total refreshes for this CVE.

  1. 2026-09-18 19:27 UTCEPSS rescore
  2. 2026-09-18 19:21 UTCGHSA enrichment
  3. 2026-09-18 08:26 UTCGHSA enrichment
  4. 2026-09-17 21:23 UTCEG score recompute
  5. 2026-09-17 21:23 UTCGHSA enrichment
  6. 2026-09-17 08:38 UTCGHSA enrichment
  7. 2026-09-16 21:43 UTCEG score recompute
  8. 2026-09-16 21:43 UTCGHSA enrichment
  9. 2026-09-16 14:07 UTCEPSS rescore
  10. 2026-09-16 10:46 UTCEG score recompute
  11. 2026-09-16 10:46 UTCGHSA enrichment
  12. 2026-09-16 05:14 UTCEPSS rescore
  13. 2026-09-15 23:40 UTCGHSA enrichment
  14. 2026-09-15 12:25 UTCEG score recompute
  15. 2026-09-15 12:25 UTCGHSA enrichment
  16. 2026-09-15 01:29 UTCGHSA enrichment
  17. 2026-09-14 14:35 UTCGHSA enrichment
  18. 2026-09-14 03:40 UTCGHSA enrichment
  19. 2026-09-13 16:46 UTCGHSA enrichment
  20. 2026-09-13 05:51 UTCGHSA enrichment
  21. 2026-09-12 18:57 UTCEG score recompute
  22. 2026-09-12 18:57 UTCGHSA enrichment
  23. 2026-09-12 15:00 UTCEPSS rescore
  24. 2026-09-12 08:02 UTCGHSA enrichment
  25. 2026-09-11 21:07 UTCEG score recompute
Show 75 more
  1. 2026-09-11 21:07 UTCGHSA enrichment
  2. 2026-09-11 14:52 UTCEPSS rescore
  3. 2026-09-11 10:12 UTCEG score recompute
  4. 2026-09-11 10:12 UTCGHSA enrichment
  5. 2026-09-11 09:36 UTCEPSS rescore
  6. 2026-09-10 23:15 UTCGHSA enrichment
  7. 2026-09-10 12:16 UTCEG score recompute
  8. 2026-09-10 12:16 UTCGHSA enrichment
  9. 2026-09-10 09:34 UTCEPSS rescore
  10. 2026-09-10 00:50 UTCGHSA enrichment
  11. 2026-09-09 13:06 UTCGHSA enrichment
  12. 2026-09-09 01:57 UTCEG score recompute
  13. 2026-09-09 01:57 UTCGHSA enrichment
  14. 2026-09-08 22:00 UTCEPSS rescore
  15. 2026-09-08 08:29 UTCGHSA enrichment
  16. 2026-09-07 21:34 UTCEG score recompute
  17. 2026-09-07 21:34 UTCGHSA enrichment
  18. 2026-09-07 16:01 UTCEPSS rescore
  19. 2026-09-07 10:39 UTCGHSA enrichment
  20. 2026-09-06 23:42 UTCEG score recompute
  21. 2026-09-06 23:42 UTCGHSA enrichment
  22. 2026-09-06 13:47 UTCEPSS rescore
  23. 2026-09-06 12:45 UTCGHSA enrichment
  24. 2026-09-06 01:51 UTCEG score recompute
  25. 2026-09-06 01:51 UTCGHSA enrichment
  26. 2026-09-05 14:54 UTCGHSA enrichment
  27. 2026-09-05 03:58 UTCGHSA enrichment
  28. 2026-09-04 17:03 UTCEG score recompute
  29. 2026-09-04 17:02 UTCGHSA enrichment
  30. 2026-09-04 06:07 UTCEG score recompute
  31. 2026-09-04 06:07 UTCGHSA enrichment
  32. 2026-09-04 05:06 UTCEPSS rescore
  33. 2026-09-03 19:06 UTCGHSA enrichment
  34. 2026-09-03 08:05 UTCGHSA enrichment
  35. 2026-09-02 21:11 UTCEG score recompute
  36. 2026-09-02 21:10 UTCGHSA enrichment
  37. 2026-09-02 14:11 UTCEPSS rescore
  38. 2026-09-02 08:03 UTCGHSA enrichment
  39. 2026-09-01 21:03 UTCGHSA enrichment
  40. 2026-09-01 17:51 UTCEG score recompute
  41. 2026-09-01 17:51 UTCGHSA enrichment
  42. 2026-09-01 13:53 UTCEPSS rescore
  43. 2026-09-01 06:52 UTCEG score recompute
  44. 2026-09-01 06:51 UTCGHSA enrichment
  45. 2026-09-01 04:39 UTCEPSS rescore
  46. 2026-08-31 19:49 UTCGHSA enrichment
  47. 2026-08-31 08:54 UTCGHSA enrichment
  48. 2026-08-30 21:26 UTCEG score recompute
  49. 2026-08-30 21:26 UTCGHSA enrichment
  50. 2026-08-30 19:17 UTCEPSS rescore
  51. 2026-08-30 10:31 UTCEG score recompute
  52. 2026-08-30 10:31 UTCGHSA enrichment
  53. 2026-08-30 01:22 UTCEPSS rescore
  54. 2026-08-29 23:36 UTCGHSA enrichment
  55. 2026-08-29 12:42 UTCGHSA enrichment
  56. 2026-08-29 01:29 UTCEG score recompute
  57. 2026-08-29 01:28 UTCGHSA enrichment
  58. 2026-08-28 21:41 UTCEPSS rescore
  59. 2026-08-28 13:41 UTCGHSA enrichment
  60. 2026-08-28 02:45 UTCGHSA enrichment
  61. 2026-08-27 15:51 UTCEG score recompute
  62. 2026-08-27 15:50 UTCGHSA enrichment
  63. 2026-08-27 14:25 UTCEPSS rescore
  64. 2026-08-27 04:51 UTCGHSA enrichment
  65. 2026-08-26 17:53 UTCEG score recompute
  66. 2026-08-26 17:53 UTCGHSA enrichment
  67. 2026-08-26 14:46 UTCEPSS rescore
  68. 2026-08-26 06:37 UTCGHSA enrichment
  69. 2026-08-25 19:42 UTCEG score recompute
  70. 2026-08-25 19:42 UTCGHSA enrichment
  71. 2026-08-25 13:48 UTCEPSS rescore
  72. 2026-08-25 08:48 UTCGHSA enrichment
  73. 2026-08-24 21:53 UTCEG score recompute
  74. 2026-08-24 21:53 UTCGHSA enrichment
  75. 2026-08-24 10:59 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-15686?
CVE-2026-15686 is a high vulnerability published on August 20, 2026. Adminer multi_query Incorrect Check of Function Return Value Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adminer. Authentication is required to exploit this vulnerability. The specific flaw exists within the…
When was CVE-2026-15686 disclosed?
CVE-2026-15686 was first published in the National Vulnerability Database on August 20, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15686 actively exploited?
CVE-2026-15686 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 47.5% of all scored CVEs.
What is the CVSS score of CVE-2026-15686?
CVE-2026-15686 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-15686?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15686, 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.

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