Overwriting Booktics Customer Details Without Logging In
CVE-2026-11446: a public booking request could overwrite an existing Booktics customer's contact details using only their email address.
Sometimes I fix things, sometimes I break things, occasionally find time to write about it. Disclosures, research notes, and the odd blog post live here.
CVE-2026-11446: a public booking request could overwrite an existing Booktics customer's contact details using only their email address.
Severity: critical · Platform: private · Bounty: $3,500 Disclosure of an OIDC misconfiguration in a public GitHub repository leading to access to confidential private data. Specifics kept
Previous Findings A few years ago I wrote about how misconfigured GCP Workload Identity Federation providers could allow any GitHub Actions workflow to authenticate as someone
Severity: high · Platform: other While doing research for a follow-up to my GCP Workload Identity post, I kept noticing pull_request_target misuses alongside the
Severity: critical · Platform: other Disclosure of an OIDC misconfiguration in a public GitHub repository. Specifics kept private at the request of the programme team. 2026-04-
Most repositories have switched to OIDC for their GitHub Actions that are connected to GCP. This might seem like a win because Service Account Keys are