CVE-2026-91770 json
IceHRM before 36.0.0 Broken Access Control via Employee ID
published last mo. modified last mo. also EUVD-2026-78246
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 39%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- gamonoid icehrm 36.0.0
Is CVE-2026-91770 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- github.com https://github.com/gamonoid/icehrm/issues/375 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- gamonoid icehrm
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
github.com
/gamonoid/icehrm/commit/19674f29a0591c985712dc4a5c841e21d7dbf971
patch
-
github.com
/gamonoid/icehrm/issues/375
issue-tracking, exploit
-
github.com
/gamonoid/icehrm/releases/tag/v36.0.0
release-notes
-
github.com
/gamonoid/icehrm/blob/e75ed7e45de41f7b2b3ea319d9406514afa2bf29/core/src/Employees/Rest/EmployeeSkillsRestEndPo
technical-description
-
github.com
/gamonoid/icehrm
product
-
vulncheck.com
/advisories/icehrm-before-36.0.0-broken-access-control-via-employee-id
third-party-advisory
Sources
- CVE List CVE-2026-91770
- NVD CVE-2026-91770
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.