Vulnerability · Published Oct 15, 2026 · Assigned by VulnCheck

CVE-2026-111349Craftplan through 0.7.5 Missing Authorization via CRM Customer JSON:API and GraphQL

Medium 5.3

In plain English

A medium-severity missing authorization in Craftplan from puemos. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.4%top 68.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Craftplan through 0.7.5 contains a missing authorization vulnerability in the CRM Customer resource that allows unauthenticated attackers to create customer records via JSON:API and GraphQL. Attackers can send anonymous requests to POST /api/json/customers or the create_customer mutation to insert attacker-chosen names, contact details and addresses into the operator's CRM.

Affected products (as reported)

Vendor	Product	Versions
puemos	Craftplan	0 – through 0.7.5

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

https://hackmd.io/@hieuPenguinnn/craftplan-customer-public-write third-party-advisory
https://github.com/puemos/craftplan/blob/v0.7.5/lib/craftplan/crm/customer.ex#L91-L94 technical-description
https://github.com/puemos/craftplan/blob/v0.7.5/lib/craftplan/accounts/checks/api_scope_check.ex#L33-L40 technical-description
https://github.com/puemos/craftplan product
VulnCheck Advisory: Craftplan through 0.7.5 Missing Authorization via CRM Customer JSON:API and GraphQL third-party-advisory