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VulnerabilityPublished Updated

CVE-2026-96672: Frappe ERPNext · Unsafe Reflection

Affects Frappe ERPNextSource CVE Database V5

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Not known to be exploited · CVSS 5.3 Medium : upgrade to 16.34.1 when convenient.

Data as of 5 Nov 2026, 23:24 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 31% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 16.34.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 6 Nov 2026.

What to do

Upgrade Frappe ERPNext to 16.34.1.

Affected software

ProductAffectedFixed in
FrappeERPNextAffected
  • >=16.0.0 <16.34.1
Fixed in
  • 16.34.1
GitHubERPNextpkg:github/ERPNextOther threatsAffected
  • >=16.0.0 <16.34.1
Fixed in
  • 16.34.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A fix is available in Frappe ERPNext version 16.34.1. Users should upgrade to version 16.34.1 or later to ensure that calculation_formula values are properly validated against a whitelist before invocation. No other mitigation is indicated.

Description

Frappe ERPNext versions before 16.34.1 fail to validate that Financial Report Template calculation_formula values reference whitelisted methods before passing them to frappe.call(). Accounts Managers can supply arbitrary dotted Python paths to invoke non-whitelisted internal server-side methods and read their return values.

References

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