CVE-2026-66059

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 81% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

Frappe is a full-stack web application framework. Prior to 16.20.0 and 15.112.0, a field-level permissions bypass exposes restricted DocType fields. This issue is fixed in versions 16.23.0 and 15.112.0.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
19%
KEV
Not listed

Published

August 7, 2026

Last Modified

August 8, 2026

Advisory Details (3)

Auto-updated Aug 7, 2026
Patch available. Sources: github_commit, github.
github_commit Patch Available

commit d6a214db952c (frappe/frappe)

Patch available: frappe/frappe v16.23.1 (contains commit d6a214db952c)

https://github.com/frappe/frappe/commit/d6a214db952cf7010020889bbc00073cce88a0c9
github_commit Patch Available

commit 45dfd1432eb6 (frappe/frappe)

Patch available: frappe/frappe v15.113.0 (contains commit 45dfd1432eb6)

https://github.com/frappe/frappe/commit/45dfd1432eb65581f90b8b0589e456e77a574fe4
github Patch Available

Field-level permission bypass via Document Follow · Advisory · frappe/frappe · GitHub

https://github.com/frappe/frappe/security/advisories/GHSA-7vpf-q96h-59x4

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 41× 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 01:22 UTCEPSS rescore
  2. 2026-08-29 10:24 UTCEG score recompute
  3. 2026-08-28 21:42 UTCEPSS rescore
  4. 2026-08-27 19:48 UTCEG score recompute
  5. 2026-08-26 20:13 UTCEG score recompute
  6. 2026-08-26 14:47 UTCEPSS rescore
  7. 2026-08-25 21:50 UTCEG score recompute
  8. 2026-08-25 13:49 UTCEPSS rescore
  9. 2026-08-24 23:22 UTCEG score recompute
  10. 2026-08-23 02:36 UTCEG score recompute
  11. 2026-08-23 00:19 UTCEPSS rescore
  12. 2026-08-22 04:13 UTCEG score recompute
  13. 2026-08-21 23:49 UTCEPSS rescore
  14. 2026-08-21 05:50 UTCEG score recompute
  15. 2026-08-20 22:56 UTCEPSS rescore
  16. 2026-08-20 07:27 UTCEG score recompute
  17. 2026-08-19 17:04 UTCEPSS rescore
  18. 2026-08-19 09:04 UTCEG score recompute
  19. 2026-08-18 13:48 UTCEPSS rescore
  20. 2026-08-18 10:37 UTCEG score recompute
  21. 2026-08-17 13:47 UTCEPSS rescore
  22. 2026-08-17 12:14 UTCEG score recompute
  23. 2026-08-16 14:56 UTCEPSS rescore
  24. 2026-08-16 13:50 UTCEG score recompute
  25. 2026-08-15 15:27 UTCEG score recompute
Show 16 more
  1. 2026-08-15 01:30 UTCEPSS rescore
  2. 2026-08-14 17:03 UTCEG score recompute
  3. 2026-08-13 22:00 UTCEPSS rescore
  4. 2026-08-12 20:18 UTCEG score recompute
  5. 2026-08-12 13:51 UTCEPSS rescore
  6. 2026-08-11 21:55 UTCEG score recompute
  7. 2026-08-11 00:00 UTCEPSS rescore
  8. 2026-08-10 01:09 UTCEG score recompute
  9. 2026-08-09 13:47 UTCEPSS rescore
  10. 2026-08-09 02:47 UTCEG score recompute
  11. 2026-08-08 16:37 UTCEPSS rescore
  12. 2026-08-08 04:24 UTCEG score recompute
  13. 2026-08-08 03:27 UTCEG score recompute
  14. 2026-08-07 16:23 UTCEG score recompute
  15. 2026-08-07 15:43 UTCEG score recompute
  16. 2026-08-07 15:42 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-66059?
CVE-2026-66059 is a medium vulnerability published on August 7, 2026. Frappe is a full-stack web application framework. Prior to 16.20.0 and 15.112.0, a field-level permissions bypass exposes restricted DocType fields. This issue is fixed in versions 16.23.0 and 15.112.0.
When was CVE-2026-66059 disclosed?
CVE-2026-66059 was first published in the National Vulnerability Database on August 7, 2026, with the most recent update on August 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66059 actively exploited?
CVE-2026-66059 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 80.6% of all scored CVEs.
What is the CVSS score of CVE-2026-66059?
CVE-2026-66059 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-66059?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66059, 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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