CVE-2026-66708: boldgrid total_upkeep Missing Authorization
CVSS: 8.2v3.1HighDeferred
Published 06-08-2026Last modified 06-08-2026
Vulnerability summary
CVE-2026-66708 is a high (CVSS 8.2) Missing Authorization vulnerability in boldgrid total_upkeep. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.7% of scored vulnerabilities. Fixed in 1.17.3.
CVSS score
8.2/10
010
High · v3.1 (CVE.org)EPSS score
0.37%
0%100%
Low · +0.16 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-08-2026PublishedVulnerability first disclosed.
- 06-08-2026Last modifiedVulnerability information updated.
Description
Unauthenticated Broken Access Control in Total Upkeep <= 1.17.2 versions.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:HSources3 sources · 5.3–8.2
- NVDNIST8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
30%
Versus all other CVEs
30-day change
+0.16 pp
From 0.21% on 21-09-2026
21-09-202621-10-2026
EPSS score0.37%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Boldgrid1 product
- total_upkeep≥ n/a, ≤ 1.17.2
Wordpress1 product
- boldgrid-backup≤ 1.17.2 (fixed in 1.17.3)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry