CVE-2026-15686

HIGHPre-NVD 7.27.2—
EchelonGraph scoreMEDIUM 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: 0.7%CVSS: 7.2Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

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
7.2HIGHmedium confidence
EG Risk
33
EG Risk 33/100CISA 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
Severity72% × 45%
Exploitation1% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.7%
EPSS %ILE
52nd
KEV
Not listed

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

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (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

August 20, 2026

Last Modified

September 1, 2026

Advisory Details (2)

Auto-updated Aug 20, 2026
🔬 Proof of concept available. Patch available. Sources: github.
githubMentions a patch (unverified)🟡 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 rangeFix by version rangeDependents
adminer4.8.1-1 ... 6.1.0-1 (15 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
adminer5.2.1+dfsg-1 ... 6.1.0-1 (11 versions)
  • every version on: no fix on record
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
adminer5.2.1+dfsg-1, 5.3.0+dfsg-1, 5.4.0+dfsg-1, 5.4.1+dfsg-1, 5.4.2+dfsg-1
  • every version up to 5.4.3+dfsg-1: fixed in 5.4.3+dfsg-1
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 23× in last 7d / 103× 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 191 total refreshes for this CVE.

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

Related CVEs(same product + same CWE)

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 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 0.7% probability of exploitation in the next 30 days (52nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-15686?
CVE-2026-15686 has a CVSS base score of 7.2 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-15686?
A fix for CVE-2026-15686 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-15686 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-15686

Explore →

Is Your Infrastructure Affected by CVE-2026-15686?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Book a Demo →Browse All CVEs