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Vulnerability record · CVE-2026-74244 · published 14 August 2026

CVE-2026-74244: Redhat openshift update service improper verification of cryptographic signature vulnerability

Redhat · Openshift Update Service

A flaw was found in Red Hat Quay's Stripe billing webhook handler. This vulnerability allows an unauthenticated attacker to forge billing events by sending crafted JSON requests to the `/webhooks/stripe` endpoint without validating the Stripe-Signature header. Successful exploitation can lead to the unauthorized resetting of a namespace's build quota to its maximum and trigger unsolicited billing emails to namespace administrators.

7.5 CVSS 3.1 High EPSS 0.23% · top 87.5% CWE-347 · Improper verification of cryptographic signature
7.5CVSS 3.1 base score
0.23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
20 Aug 2026Last modified by NVD

Description

A flaw was found in Red Hat Quay's Stripe billing webhook handler. This vulnerability allows an unauthenticated attacker to forge billing events by sending crafted JSON requests to the `/webhooks/stripe` endpoint without validating the Stripe-Signature header. Successful exploitation can lead to the unauthorized resetting of a namespace's build quota to its maximum and trigger unsolicited billing emails to namespace administrators.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/CVE-2026-74244 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2516143 Issue TrackingVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-74244), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.