CVE-2026-17593

HIGHNVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-07. NVD baseline CVSS 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
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: 0.8%CVSS: 7.2Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

An account holding the nexus:settings:update permission in Nexus Repository 3 (or the equivalent nexus:settings permission in the legacy Nexus Repository 2) could submit arbitrary values as realm identifiers through an internal configuration API that did not validate them against the set of registered realms. Because unrecognized entries were persisted and re-evaluated on every realm load via a legacy code path, this could result in unintended code executing inside the Nexus Repository process, and in some cases a persistent authentication lockout that was not visible through the administrative UI.

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
0.8%
EPSS %ILE
54th
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 7, 2026

Last Modified

September 22, 2026

Advisory Details (2)

Auto-updated Aug 7, 2026
Patch available.
generic Patch Available

CVE-2026-17593 Nexus Repository 3 - Arbitrary Class Instantiation via Unsafe Realm Configuration - 2026-08-07 – Sonatype Support

https://support.sonatype.com/hc/en-us/articles/53849535836179/
generic

Sonatype Nexus Repository 3.95.0 Release Notes

https://help.sonatype.com/en/sonatype-nexus-repository-3-95-0-release-notes.html

Vendor Advisories for CVE-2026-17593(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 16× in last 7d / 86× 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 200 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-17593?
CVE-2026-17593 is a high vulnerability published on August 7, 2026. An account holding the nexus:settings:update permission in Nexus Repository 3 (or the equivalent nexus:settings permission in the legacy Nexus Repository 2) could submit arbitrary values as realm identifiers through an internal configuration API that did not validate them against the set of…
When was CVE-2026-17593 disclosed?
CVE-2026-17593 was first published on August 7, 2026, with the most recent update on September 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-17593 actively exploited?
CVE-2026-17593 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.8% probability of exploitation in the next 30 days (54th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-17593?
CVE-2026-17593 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-17593?
A fix for CVE-2026-17593 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-17593 are linked in the Vendor Advisories panel on this page.

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