CVE-2025-66290 — OrangeHRM is Vulnerable to Improper Authorization Allowing Unauthorized Access to Candidate Attachments
OrangeHRM is a comprehensive human resource management (HRM) system. From version 5.0 to 5.7, the application’s recruitment attachment retrieval endpoint does not enforce the required authorization checks before serving candidate files. Even users restricted to ESS-level access, who have no permission to view the Recruitment module, can directly access candidate attachment URLs. When an authenticated request is made to the attachment endpoint, the system validates the session but does not confirm that the requesting user has the necessary recruitment permissions. As a result, any authenticated user can download CVs and other uploaded documents for arbitrary candidates by issuing direct requests to the attachment endpoint, leading to unauthorized exposure of sensitive applicant data. This issue has been patched in version 5.8.
Who exploits it and how urgent it is
A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.
How the score was calculated
- EPSS 0.2% (30-day exploitation probability)+1
- Technical severity (medium)+3
- Automatable exploitation (SSVC)+3
The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.
CISA SSVC assessment CISA
Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.
Remediation
Fixes and mitigations documented by the sources — linked to the original advisory.
No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.
First 24 hours
Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.
- Identify exposed assets running the affected vendor/product/version combinations (Orangehrm Orangehrm).
- No fix documented in the sources: reduce exposure and monitor the vendor advisory.
- Search available logs for exploit probes matching the vulnerability class (info disclosure), errors and authentication anomalies.
Affected scope
Vendor, product and versions as the sources word them.
Attack characteristics
The CVSS vector, decoded. It describes the attack, not your exposure to it.
Every base score collected
Sources score independently and may disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Scored by |
|---|---|---|---|---|---|
| 5.3 | CVSS 4.0 | Medium | — | — | security-advisories@github.com via NIST National Vulnerability Database |
| 5.3 | CVSS 4.0 | Medium | — | — | GitHub_M via CVE Program (cve.org) e CISA ADP |
| 4.3 | CVSS 3.1 | Medium | 2.8 | 1.4 | nvd@nist.gov via NIST National Vulnerability Database |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N (score shown at the top: nvd@nist.gov) Weakness MITRE
Weakness class according to MITRE’s CWE catalog.
EPSS over time FIRST
Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 0.19%
Detection
Read off the CVSS vector and the weakness class. Starting points, not tested rules.
- Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
- Look for anomalous data read/export volumes and access to sensitive records.
Timeline
What happened to this CVE, newest first.
- 2026
- Affected products added · orangehrm/orangehrm
- SSVC assessment updated
- Record published
- CVSS changed · 4.3
- Source status changed · → Analyzed
- Record created in this database
- 2025
- CVE published
Source activity
Repeated readings are counted rather than listed.
- 1× Official description updated · Oct 13, 2026 – Oct 13, 2026
References
1 on the record
Elsewhere on this site
Related CVEs (same products)
- Low CVE-2026-39349 OrangeHRM Uses AES-ECB for Sensitive Data Encryption Enables Pattern Disclosure Apr 7, 2026
- Medium CVE-2026-39345 OrangeHRM Affected by Arbitrary File Read via Path Traversal in Email Template Loader Apr 7, 2026
- Medium CVE-2026-39346 OrangeHRM has Improper Access Control Allowing Access to Disabled Modules via URL Encoding Apr 7, 2026
- Low CVE-2026-39347 OrangeHRM's Self‑Appraisal Submission of Admin Users Can Be Modified After Completion Apr 7, 2026
- Medium CVE-2026-39348 OrangeHRM is Missing Authorization Checks in AbstractFileController Subclasses Expose Job Specification and Vacancy Attachments Apr 7, 2026
- Medium CVE-2025-66291 OrangeHRM is Vulnerable to Improper Authorization Allowing Unauthorized Access to Interview Attachments Nov 29, 2025
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No fixed version, patch or mitigation documented.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.
Answered from this record
Text assembled only from the fields above — no additional claims.
What should defenders know first?
CVE-2025-66290 is "OrangeHRM is Vulnerable to Improper Authorization Allowing Unauthorized Access to Candidate Attachments", rated Medium. It affects Orangehrm (Orangehrm); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 4.3 describes technical severity. EPSS 0.19% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.
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