CVE-2026-66708

HIGHPre-NVD 8.28.2—
EchelonGraph scoreHIGH confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-06. a secondary CVSS source baseline 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: None knownExposed: 0

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

Unauthenticated Broken Access Control in Total Upkeep <= 1.17.2 versions.

CVSS v3
8.2
EG Score
8.2(high)
EG Risk
52(Track)
EG Risk 52/100SSVC: 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
Severity82% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
13%
KEV
Not listed

Published

August 6, 2026

Last Modified

August 12, 2026

Advisory Details (1)

Auto-updated Aug 6, 2026
No patch confirmed yet.
generic

Broken Access Control in WordPress Total Upkeep Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/boldgrid-backup/vulnerability/wordpress-total-upkeep-plugin-1-17-2-broken-access-control-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-66708(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 / 60× 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. 2026-08-20 22:56 UTCEPSS rescore
  2. 2026-08-20 21:08 UTCGHSA enrichment
  3. 2026-08-20 09:52 UTCGHSA enrichment
  4. 2026-08-19 22:37 UTCEG score recompute
  5. 2026-08-19 22:37 UTCGHSA enrichment
  6. 2026-08-19 17:04 UTCEPSS rescore
  7. 2026-08-19 11:21 UTCGHSA enrichment
  8. 2026-08-19 00:05 UTCEG score recompute
  9. 2026-08-19 00:05 UTCGHSA enrichment
  10. 2026-08-18 13:48 UTCEPSS rescore
  11. 2026-08-18 12:48 UTCGHSA enrichment
  12. 2026-08-18 00:57 UTCEG score recompute
  13. 2026-08-18 00:57 UTCGHSA enrichment
  14. 2026-08-17 13:47 UTCEPSS rescore
  15. 2026-08-17 13:41 UTCGHSA enrichment
  16. 2026-08-17 02:26 UTCGHSA enrichment
  17. 2026-08-16 15:10 UTCEG score recompute
  18. 2026-08-16 15:10 UTCGHSA enrichment
  19. 2026-08-16 14:56 UTCEPSS rescore
  20. 2026-08-16 03:55 UTCEG score recompute
  21. 2026-08-16 03:55 UTCGHSA enrichment
  22. 2026-08-15 16:39 UTCGHSA enrichment
  23. 2026-08-15 05:23 UTCEG score recompute
  24. 2026-08-15 05:23 UTCGHSA enrichment
  25. 2026-08-15 01:30 UTCEPSS rescore
Show 35 more
  1. 2026-08-14 18:07 UTCGHSA enrichment
  2. 2026-08-14 06:52 UTCEG score recompute
  3. 2026-08-14 06:52 UTCGHSA enrichment
  4. 2026-08-13 22:00 UTCEPSS rescore
  5. 2026-08-13 19:36 UTCGHSA enrichment
  6. 2026-08-13 08:20 UTCGHSA enrichment
  7. 2026-08-12 21:05 UTCEG score recompute
  8. 2026-08-12 21:05 UTCGHSA enrichment
  9. 2026-08-12 13:51 UTCEPSS rescore
  10. 2026-08-12 13:41 UTCGHSA enrichment
  11. 2026-08-12 02:25 UTCGHSA enrichment
  12. 2026-08-11 15:10 UTCEG score recompute
  13. 2026-08-11 15:09 UTCGHSA enrichment
  14. 2026-08-11 03:51 UTCEG score recompute
  15. 2026-08-11 03:51 UTCGHSA enrichment
  16. 2026-08-11 00:00 UTCEPSS rescore
  17. 2026-08-10 16:36 UTCGHSA enrichment
  18. 2026-08-10 05:11 UTCGHSA enrichment
  19. 2026-08-09 17:56 UTCEG score recompute
  20. 2026-08-09 17:56 UTCGHSA enrichment
  21. 2026-08-09 13:47 UTCEPSS rescore
  22. 2026-08-09 06:40 UTCGHSA enrichment
  23. 2026-08-08 19:25 UTCEG score recompute
  24. 2026-08-08 19:25 UTCGHSA enrichment
  25. 2026-08-08 16:37 UTCEPSS rescore
  26. 2026-08-08 08:09 UTCGHSA enrichment
  27. 2026-08-07 20:54 UTCEG score recompute
  28. 2026-08-07 20:54 UTCGHSA enrichment
  29. 2026-08-07 09:38 UTCEG score recompute
  30. 2026-08-07 09:38 UTCGHSA enrichment
  31. 2026-08-06 22:22 UTCEG score recompute
  32. 2026-08-06 22:22 UTCGHSA enrichment
  33. 2026-08-06 15:27 UTCEG score recompute
  34. 2026-08-06 14:42 UTCEG score recompute
  35. 2026-08-06 14:41 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-66708?
CVE-2026-66708 is a high vulnerability published on August 6, 2026. Unauthenticated Broken Access Control in Total Upkeep <= 1.17.2 versions.
When was CVE-2026-66708 disclosed?
CVE-2026-66708 was first published in the National Vulnerability Database on August 6, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66708 actively exploited?
CVE-2026-66708 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 87.0% of all scored CVEs.
What is the CVSS score of CVE-2026-66708?
CVE-2026-66708 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2026-66708?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66708, 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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