CVE-2026-40888

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 88% 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, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0

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

Frappe HR is an open-source human resources management solution (HRMS). Prior to versions 15.58.1 and 16.4.1, an authenticated user with default role can access unauthorized information by exploiting certain api endpoint. Versions 15.58.1 and 16.4.1 contain a patch. No known workarounds are available.

CVSS v3
6.5
EG Score
6.5(medium)
EPSS
14.0%
KEV
Not listed

Published

April 21, 2026

Last Modified

April 27, 2026

Advisory Details (3)

Auto-updated Jun 14, 2026
Patch available. Sources: github_release, github.
github Patch Available

Improper Access Control · Advisory · frappe/hrms · GitHub

https://github.com/frappe/hrms/security/advisories/GHSA-4375-7rxj-9hfx
github_release Patch Available

v16.4.1

Patch available: frappe/hrms v16.4.1

https://github.com/frappe/hrms/releases/tag/v16.4.1
github_release Patch Available

v15.58.1

Patch available: frappe/hrms v15.58.1

https://github.com/frappe/hrms/releases/tag/v15.58.1

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 37× 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. 2026-07-16 17:03 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
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  1. 2026-06-25 13:49 UTCEPSS rescore
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  3. 2026-06-23 21:33 UTCEPSS rescore
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  6. 2026-06-21 14:56 UTCEPSS rescore
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  15. 2026-06-14 17:44 UTCEG score recompute
  16. 2026-06-13 23:00 UTCEPSS rescore
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  19. 2026-06-11 17:42 UTCEG score recompute
  20. 2026-06-11 14:00 UTCEPSS rescore
  21. 2026-06-10 22:18 UTCEPSS rescore
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  24. 2026-06-10 05:18 UTCEG score recompute
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  26. 2026-06-08 14:17 UTCEPSS rescore
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  28. 2026-06-08 02:29 UTCEG score recompute
  29. 2026-06-07 15:25 UTCEPSS rescore
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  35. 2026-06-05 20:04 UTCEG score recompute
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  45. 2026-06-01 13:52 UTCEPSS rescore
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  48. 2026-05-31 22:30 UTCEPSS rescore
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  64. 2026-05-23 00:08 UTCEG score recompute
  65. 2026-05-20 22:38 UTCEPSS rescore
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  67. 2026-05-20 16:29 UTCEG score recompute
  68. 2026-05-20 11:22 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2026-40888?
CVE-2026-40888 is a medium vulnerability published on April 21, 2026. Frappe HR is an open-source human resources management solution (HRMS). Prior to versions 15.58.1 and 16.4.1, an authenticated user with default role can access unauthorized information by exploiting certain api endpoint. Versions 15.58.1 and 16.4.1 contain a patch. No known workarounds are…
When was CVE-2026-40888 disclosed?
CVE-2026-40888 was first published in the National Vulnerability Database on April 21, 2026, with the most recent update on April 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40888 actively exploited?
CVE-2026-40888 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-40888?
CVE-2026-40888 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-40888?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40888, 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.

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