CVE-2026-59568

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-24. a secondary CVSS source baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: None knownExposed: 0

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

Multiple vulnerabilities on affected versions of Zscaler Client Connector allow remote code execution, giving an unauthenticated, unprivileged user the ability to execute arbitrary code in the ZCC context.

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
56(Track)
EG Risk 56/100SSVC: 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
Severity91% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

August 24, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Aug 29, 2026
No patch confirmed yet.
generic
https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2026

Vendor Advisories for CVE-2026-59568(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 57× in last 7d / 57× 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 05:47 UTCGHSA enrichment
  2. 2026-08-30 02:09 UTCEG score recompute
  3. 2026-08-30 02:09 UTCGHSA enrichment
  4. 2026-08-30 01:22 UTCEPSS rescore
  5. 2026-08-29 22:31 UTCGHSA enrichment
  6. 2026-08-29 18:53 UTCGHSA enrichment
  7. 2026-08-29 15:15 UTCGHSA enrichment
  8. 2026-08-29 11:36 UTCGHSA enrichment
  9. 2026-08-29 07:56 UTCGHSA enrichment
  10. 2026-08-29 04:14 UTCGHSA enrichment
  11. 2026-08-29 00:26 UTCEG score recompute
  12. 2026-08-29 00:26 UTCGHSA enrichment
  13. 2026-08-28 21:42 UTCEPSS rescore
  14. 2026-08-28 19:08 UTCGHSA enrichment
  15. 2026-08-28 17:30 UTCGHSA enrichment
  16. 2026-08-28 13:33 UTCGHSA enrichment
  17. 2026-08-28 09:53 UTCGHSA enrichment
  18. 2026-08-28 06:13 UTCGHSA enrichment
  19. 2026-08-28 02:34 UTCGHSA enrichment
  20. 2026-08-27 22:56 UTCGHSA enrichment
  21. 2026-08-27 19:18 UTCGHSA enrichment
  22. 2026-08-27 15:40 UTCEG score recompute
  23. 2026-08-27 15:40 UTCGHSA enrichment
  24. 2026-08-27 14:25 UTCEPSS rescore
  25. 2026-08-27 12:01 UTCGHSA enrichment
Show 32 more
  1. 2026-08-27 08:22 UTCGHSA enrichment
  2. 2026-08-27 04:42 UTCGHSA enrichment
  3. 2026-08-27 01:04 UTCGHSA enrichment
  4. 2026-08-26 21:26 UTCGHSA enrichment
  5. 2026-08-26 17:48 UTCEG score recompute
  6. 2026-08-26 17:48 UTCGHSA enrichment
  7. 2026-08-26 14:46 UTCEPSS rescore
  8. 2026-08-26 13:22 UTCGHSA enrichment
  9. 2026-08-26 09:40 UTCGHSA enrichment
  10. 2026-08-26 05:59 UTCGHSA enrichment
  11. 2026-08-26 02:20 UTCGHSA enrichment
  12. 2026-08-25 22:42 UTCGHSA enrichment
  13. 2026-08-25 19:05 UTCGHSA enrichment
  14. 2026-08-25 15:25 UTCEG score recompute
  15. 2026-08-25 15:25 UTCGHSA enrichment
  16. 2026-08-25 13:49 UTCEPSS rescore
  17. 2026-08-25 11:46 UTCGHSA enrichment
  18. 2026-08-25 08:06 UTCGHSA enrichment
  19. 2026-08-25 04:23 UTCEG score recompute
  20. 2026-08-25 04:23 UTCGHSA enrichment
  21. 2026-08-25 04:10 UTCEG score recompute
  22. 2026-08-25 04:10 UTCGHSA enrichment
  23. 2026-08-25 03:19 UTCGHSA enrichment
  24. 2026-08-24 23:41 UTCGHSA enrichment
  25. 2026-08-24 20:03 UTCGHSA enrichment
  26. 2026-08-24 16:25 UTCEG score recompute
  27. 2026-08-24 16:25 UTCGHSA enrichment
  28. 2026-08-24 15:32 UTCEG score recompute
  29. 2026-08-24 15:32 UTCGHSA enrichment
  30. 2026-08-24 14:24 UTCEG score recompute
  31. 2026-08-24 14:02 UTCEG score recompute
  32. 2026-08-24 14:02 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-59568?
CVE-2026-59568 is a critical vulnerability published on August 24, 2026. Multiple vulnerabilities on affected versions of Zscaler Client Connector allow remote code execution, giving an unauthenticated, unprivileged user the ability to execute arbitrary code in the ZCC context.
When was CVE-2026-59568 disclosed?
CVE-2026-59568 was first published in the National Vulnerability Database on August 24, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59568 actively exploited?
CVE-2026-59568 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 69.0% of all scored CVEs.
What is the CVSS score of CVE-2026-59568?
CVE-2026-59568 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2026-59568?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59568, 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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