Skip to main content
VulnerabilityPublished Updated

CVE-2026-27471: frappe erpnext · Missing Authorization

Affects frappe erpnextSource CVE Database V5

0

Not known to be exploited · CVSS 9.3 Critical : upgrade to 16.6.1 or 15.98.1 as a priority.

Data as of 26 Oct 2026, 11:07 UTC

CVSS 4.0 base score
9.3Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 16.6.1, 15.98.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade frappe erpnext to 16.6.1 or 15.98.1.

Affected software

ProductAffectedFixed in
frappeerpnextAffected
  • >=16.0.0-rc.1 <16.6.1
Fixed in
  • 16.6.1
frappeerpnextAffected
  • <15.98.1
Fixed in
  • 15.98.1

AI-suggested

Organizations should immediately upgrade ERPNext to versions 15.98.1 or 16.6.1 or later, where the authorization checks have been properly implemented. Until patching is possible, restrict network access to ERPNext API endpoints by implementing firewall rules or VPN access to limit exposure to trusted users only. Conduct thorough audits of ERPNext access logs to detect any unauthorized access attempts or suspicious activity. Implement additional application-layer access controls or web application firewalls (WAF) to monitor and block anomalous API requests. Educate system administrators and developers on secure coding practices to prevent missing authorization issues in custom ERPNext extensions or integrations. Regularly review and update ERPNext and its dependencies to ensure timely application of security patches. Finally, maintain offline backups of critical ERP data to enable recovery in case of data manipulation or breach.

Description

ERP is a free and open source Enterprise Resource Planning tool. In versions up to 15.98.0 and 16.0.0-rc.1 and through 16.6.0, certain endpoints lacked access validation which allowed for unauthorized document access. This issue has been fixed in versions 15.98.1 and 16.6.1.

References

Community reviews

Loading reviews…