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Vulnerability record · CVE-2026-72535 · published 11 August 2026

CVE-2026-72535: Missing authentication for critical function vulnerability

A missing authentication vulnerability in Chaskiq through commit 46dfdd1 allows unauthenticated remote attackers to mint Stripe Billing Portal sessions for any tenant via the stripeCustomerPortal GraphQL mutation. The mutation performs no authentication or authorization checks before creating a customer portal session linked to any tenant Stripe account. An attacker can access and manage subscription data for any tenant without credentials.

8.6 CVSS 3.1 High EPSS 0.57% · top 54.9% CWE-306 · Missing authentication for critical function Deferred
8.6CVSS 3.1 base score
0.57%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
3 Sep 2026Last modified by NVD

Description

A missing authentication vulnerability in Chaskiq through commit 46dfdd1 allows unauthenticated remote attackers to mint Stripe Billing Portal sessions for any tenant via the stripeCustomerPortal GraphQL mutation. The mutation performs no authentication or authorization checks before creating a customer portal session linked to any tenant Stripe account. An attacker can access and manage subscription data for any tenant without credentials.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

References

LinkTags
https://github.com/chaskiq/chaskiq

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Source: NIST National Vulnerability Database (record CVE-2026-72535), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.