IceHRM before 36.0.0 fails to validate employee ownership on seven REST sub-resource endpoints, allowing authenticated employees to read any colleague's HR records. Attackers can substitute arbitrary employee IDs in skill, education, certification, language, leave, attendance, and status endpoints to access sensitive personnel data.
CVE-2026-91770
Score 6.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-15. a secondary CVSS source baseline 6.5; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(high)
- EG Risk
- 45(Track)EG Risk 45/100SSVC: 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 computedSeverity65% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 18%
- KEV
- Not listed
Published
September 15, 2026
Last Modified
September 15, 2026
Advisory Details (5)
Auto-updated Sep 15, 2026IceHRM before 36.0.0 Broken Access Control via Employee ID | Advisories | VulnCheck
https://www.vulncheck.com/advisories/icehrm-before-36.0.0-broken-access-control-via-employee-idGitHub - gamonoid/icehrm: Manage your employees easily with a robust and efficient Human Resource Management System · GitHub
https://github.com/gamonoid/icehrmicehrm/core/src/Employees/Rest/EmployeeSkillsRestEndPoint.php at e75ed7e45de41f7b2b3ea319d9406514afa2bf29 · gamonoid/icehrm · GitHub
https://github.com/gamonoid/icehrm/blob/e75ed7e45de41f7b2b3ea319d9406514afa2bf29/core/src/Employees/Rest/EmployeeSkillsRestEndPoint.php#L20-L51IceHrm v36.0.0
Patch available: gamonoid/icehrm v36.0.0
https://github.com/gamonoid/icehrm/releases/tag/v36.0.0IDOR on /api/employees/{id}/{skills,educations,certifications,languages,leaves,attendance,status} lets any employee read any colleague's HR records · Issue #375 · gamonoid/icehrm · GitHub
https://github.com/gamonoid/icehrm/issues/375Vendor Advisories for CVE-2026-91770(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 24× in last 7d / 24× 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.
- 2026-09-21 05:13 UTCEG score recompute
- 2026-09-21 05:13 UTCGHSA enrichment
- 2026-09-20 20:16 UTCEPSS rescore
- 2026-09-20 06:59 UTCEG score recompute
- 2026-09-20 06:58 UTCGHSA enrichment
- 2026-09-19 08:35 UTCEG score recompute
- 2026-09-19 08:35 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 10:19 UTCEG score recompute
- 2026-09-18 10:19 UTCGHSA enrichment
- 2026-09-17 19:32 UTCEPSS rescore
- 2026-09-17 12:04 UTCEG score recompute
- 2026-09-17 12:04 UTCGHSA enrichment
- 2026-09-16 14:09 UTCEPSS rescore
- 2026-09-16 13:49 UTCEG score recompute
- 2026-09-16 13:49 UTCGHSA enrichment
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-15 15:31 UTCEG score recompute
- 2026-09-15 15:31 UTCGHSA enrichment
- 2026-09-15 14:53 UTCEG score recompute
- 2026-09-15 14:53 UTCGHSA enrichment
- 2026-09-15 02:30 UTCEG score recompute
- 2026-09-15 01:40 UTCEG score recompute
- 2026-09-15 01:39 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-639
Frequently asked(5)
What is CVE-2026-91770?
When was CVE-2026-91770 disclosed?
Is CVE-2026-91770 actively exploited?
What is the CVSS score of CVE-2026-91770?
How do I remediate CVE-2026-91770?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-91770
Is Your Infrastructure Affected by CVE-2026-91770?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.