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PatchSiren cyber security CVE debrief

CVE-2026-108733 frappe CVE debrief

CVE-2026-108733 is a missing authorization vulnerability in Frappe HR (hrms) before version 16.11.0. The vulnerability allows authenticated users to expire any leave allocation, potentially wiping out another employee's remaining leave balance. This issue affects all 14.x and 15.x releases through 15.64.3. HR teams and IT administrators should review the integrity of leave allocations and patch to version 16.11.0 or later. The vulnerability is caused by a missing authorization check in the expire_allocation method.

Vendor
frappe
Product
hrms
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-11
Original CVE updated
2026-10-11
Advisory published
2026-10-11
Advisory updated
2026-10-11

Who should care

HR teams, IT teams, and administrators of Frappe HR (hrms) should be aware of this vulnerability and take necessary actions to patch and verify the integrity of leave allocations. HR teams need to verify the integrity of leave allocations to prevent unauthorized changes. IT teams need to patch Frappe HR (hrms) to version 16.11.0 or later to fix the vulnerability. Security teams should monitor for suspicious activity related to leave allocations.

Why it matters

CVE-2026-108733 is a missing authorization vulnerability in Frappe HR (hrms) before version 16.11.0, allowing authenticated users to expire any leave allocation. HR and IT teams should prioritize patching and verifying the integrity of leave allocations.

  • Authenticated users can expire any leave allocation, potentially wiping out another employee's remaining leave balance.
  • HR teams need to verify the integrity of leave allocations to prevent unauthorized changes.
  • IT teams need to patch Frappe HR (hrms) to version 16.11.0 or later to fix the vulnerability.

Technical summary

The vulnerability is caused by a missing authorization check in the expire_allocation method, allowing authenticated users to expire any leave allocation. This can lead to unauthorized changes to leave allocations, potentially wiping out another employee's remaining leave balance. The vulnerability affects all 14.x and 15.x releases through 15.64.3 and has a CVSS score of 5.3 and a severity of MEDIUM. HR teams and IT administrators should prioritize patching and verifying the integrity of leave allocations. The vulnerability can be mitigated by patching to version 16.11.0 or later.

Defensive priority

HR and IT teams should prioritize patching and verifying the integrity of leave allocations.

Recommended defensive actions

  • Patch Frappe HR (hrms) to version 16.11.0 or later
  • Verify the integrity of leave allocations
  • Monitor for suspicious activity related to leave allocations
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the vulnerability, but additional information from official sources is needed to fully assess the impact. The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM. The CVE record was published on 2026-10-11T12:19:40.218Z and has not been modified since then. No additional information is available on the number of affected users or systems.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-108733 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-108733

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-108733 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-108733

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Frappe HR (hrms) before 16.11.0 Missing Authorization via expire_allocation

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/108xxx/CVE-2026-108733.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://hackmd.io/@haind03/frappe-hrms-expire-allocation-missing-authorization-20261010

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://github.com/frappe/hrms/blob/0a54d2c7b8b6043e2705b6f557b6ed65260670dd/hrms/hr/doctype/leave_ledger_entry/leave_ledger_entry.py

    Supplemental source - technical-description

  • Source reference

    Unverified legacy reference

    URL: https://github.com/frappe/hrms/commit/6ab7a50347367413b78ad5bd5d9e4b8c6653c81f

    Supplemental source - patch

  • Source reference

    Unverified legacy reference

    URL: https://github.com/frappe/hrms/releases/tag/v16.11.0

    Supplemental source - release-notes

  • Source reference

    Unverified legacy reference

    URL: https://github.com/frappe/hrms

    Supplemental source - product

  • Source reference

    Unverified legacy reference

    URL: https://www.vulncheck.com/advisories/frappe-hr-hrms-before-16.11.0-missing-authorization-via-expire-allocation

    Supplemental source - third-party-advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.