VulnCheck KEV: CVE-2025-27817

A possible arbitrary file read and SSRF vulnerability has been identified in Apache Kafka Client. Apache Kafka Clients accept configuration data for setting the SASL/OAUTHBEARER connection with the brokers, including "sasl.oauthbearer.token.endpoint.url" and "sasl.oauthbearer.jwks.endpoint.url"...

curl: Information disclosure via cross-protocol redirect with OAuth2 bearer token

A flaw was found in curl. When an OAuth2 Open Authorization bearer token is used for an HTTPS transfer, and that transfer performs a cross-protocol redirect to a different scheme like IMAP, LDAP, POP3, or SMTP, curl might incorrectly pass the bearer token to the new target host. This could lead t...

curl: curl: Information disclosure via OAuth2 bearer token leakage during HTTP(S) redirect

A flaw was found in curl. When an OAuth2 bearer token is used for an HTTPS transfer that redirects to a second URL, curl could unintentionally leak the token. This occurs if the second hostname has entries in the .netrc file, allowing the bearer token intended for the first host to be sent to the...

EUVD-2026-19289

Distribution affected by pull-through cache credential exfiltration via www-authenticate bearer realm...

GHSA-3P65-76G6-3W7R Distribution affected by pull-through cache credential exfiltration via www-authenticate bearer realm

hi guys, commit: 40594bd98e6d6ed993b5c6021c93fdf96d2e5851 as-of 2026-01-31 contact: GitHub Security Advisory https://github.com/distribution/distribution/security/advisories/new summary in pull-through cache mode, distribution discovers token auth endpoints by parsing WWW-Authenticate challenges...

Distribution affected by pull-through cache credential exfiltration via www-authenticate bearer realm

hi guys, commit: 40594bd98e6d6ed993b5c6021c93fdf96d2e5851 as-of 2026-01-31 contact: GitHub Security Advisory https://github.com/distribution/distribution/security/advisories/new summary in pull-through cache mode, distribution discovers token auth endpoints by parsing WWW-Authenticate challenges...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the process that parses WWW-Authenticate challenges from an upstream registry. An attacker can obtain upstream credentials by manipulating the bearer realm URL to redirect authentication requests to a...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the process that parses WWW-Authenticate challenges from an upstream registry. An attacker can obtain upstream credentials by manipulating the bearer realm URL to redirect authentication requests to a...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the process that parses WWW-Authenticate challenges from an upstream registry. An attacker can obtain upstream credentials by manipulating the bearer realm URL to redirect authentication requests to a...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the process that parses WWW-Authenticate challenges from an upstream registry. An attacker can obtain upstream credentials by manipulating the bearer realm URL to redirect authentication requests to a...

DEBIAN-CVE-2026-33540

Distribution is a toolkit to pack, ship, store, and deliver container content. Prior to 3.1.0, in pull-through cache mode, distribution discovers token auth endpoints by parsing WWW-Authenticate challenges returned by the configured upstream registry. The realm URL from a bearer challenge is used...

CVE-2026-33540

Distribution is a toolkit to pack, ship, store, and deliver container content. Prior to 3.1.0, in pull-through cache mode, distribution discovers token auth endpoints by parsing WWW-Authenticate challenges returned by the configured upstream registry. The realm URL from a bearer challenge is used...

UBUNTU-CVE-2026-33540

Distribution is a toolkit to pack, ship, store, and deliver container content. Prior to 3.1.0, in pull-through cache mode, distribution discovers token auth endpoints by parsing WWW-Authenticate challenges returned by the configured upstream registry. The realm URL from a bearer challenge is used...

CVE-2026-33540

CVE-2026-33540 affects the Distribution toolkit. In prior releases (before 3.1.0) and in pull-through cache mode, it parses WWW-Authenticate challenges to discover token auth endpoints, taking the realm URL from a bearer challenge without validating it against the upstream host. An attacker-contr...

CVE-2026-33540 Distribution affected by pull-through cache credential exfiltration via www-authenticate bearer realm

Distribution is a toolkit to pack, ship, store, and deliver container content. Prior to 3.1.0, in pull-through cache mode, distribution discovers token auth endpoints by parsing WWW-Authenticate challenges returned by the configured upstream registry. The realm URL from a bearer challenge is used...

CVE-2026-33540 Distribution affected by pull-through cache credential exfiltration via www-authenticate bearer realm

Distribution is a toolkit to pack, ship, store, and deliver container content. Prior to 3.1.0, in pull-through cache mode, distribution discovers token auth endpoints by parsing WWW-Authenticate challenges returned by the configured upstream registry. The realm URL from a bearer challenge is used...

CVE-2026-33540 Distribution affected by pull-through cache credential exfiltration via www-authenticate bearer realm

Distribution is a toolkit to pack, ship, store, and deliver container content. Prior to 3.1.0, in pull-through cache mode, distribution discovers token auth endpoints by parsing WWW-Authenticate challenges returned by the configured upstream registry. The realm URL from a bearer challenge is used...

CVE-2026-33540

Distribution is a toolkit to pack, ship, store, and deliver container content. Prior to 3.1.0, in pull-through cache mode, distribution discovers token auth endpoints by parsing WWW-Authenticate challenges returned by the configured upstream registry. The realm URL from a bearer challenge is used...

CVE-2026-34953

PraisonAI is a multi-agent teams system. Prior to version 4.5.97, OAuthManager.validatetoken returns True for any token not found in its internal store, which is empty by default. Any HTTP request to the MCP server with an arbitrary Bearer token is treated as authenticated, granting full access t...

CVE-2026-22734 - UAA SAML 2.0 Signature Bypass | Cloud Foundry

Severity 8.8 / High CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:L/SA:N 8.6 / HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N Vendor CloudFoundry Foundation Description Cloud Foundry UAA versions v77.21.0 through v78.8.0 are vulnerable to a bypass that allows an attacker to obtain a...