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Token-Leak

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medium threat

GitHub Actions GITHUB_TOKEN Disclosure via Composer Validation Failure

Composer leaks GitHub OAuth tokens in GitHub Actions logs if they do not match the expected format due to a validation regex, leading to potential unauthorized access.

github.com github actions composer token-leak cve-2026-45793
2r 1t
high advisory

Portainer JWT Leak via URL Query Parameter

Portainer's authentication middleware accepts JWT bearer tokens passed as the `?token=<JWT>` URL query parameter on any authenticated API endpoint, leading to JWT leakage to logs and referrers, where a leaked token grants the full privileges of the user it was issued to, until the token expires.

Portainer +2 jwt token-leak credential-access CVE-2026-44883
2r 1t
high advisory

Vault Token Leak via Authorization Header Forwarding

Vault instances configured to pass through the 'Authorization' header may forward Vault tokens to auth plugin backends when the header is used for authentication, potentially leading to token compromise; this vulnerability is tracked as CVE-2026-4525 and patched in versions 2.0.0, 1.21.5, 1.20.10, and 1.19.16.

vault token-leak authorization cve-2026-4525
2r 1t 1c
high advisory

Kyverno Service Account Token Leak via API Call

Kyverno's apiCall serviceCall helper implicitly injects the Kyverno controller service account token into requests when policies lack an explicit Authorization header, allowing exfiltration to attacker-controlled endpoints and unauthorized actions.

kyverno token-leak cloud
2r 1t 5i