CVE-2026-67435

linuxfabrik-lib provides Python modules for database access, caching, shell execution, and API integrations. Prior to version 6.0.0, lib.url.fetch followed cross-origin redirects while forwarding caller-supplied credential headers other than Authorization and Cookie, allowing a malicious...

CVE-2026-67435

The issue in linuxfabrik-lib affects the Python module lib.url.fetch() in versions before 6.0.0. It may follow cross-origin redirects while forwarding caller-supplied credential headers other than Authorization and Cookie, enabling a malicious redirect-capable server to receive headers such as X-...

electron-updater: Cross-origin redirect leaks `PRIVATE-TOKEN` and mixed-case `Authorization` credentials in `builder-util-runtime`

Summary In electron-builder's builder-util-runtime package, the HTTP redirect handler HttpExecutor.prepareRedirectUrlOptions only stripped a credential header whose key string matched exactly lowercase "authorization". Other credential-bearing headers — most notably PRIVATE-TOKEN used by GitLab's...

GHSA-P2F4-R6V6-J797 electron-updater: Cross-origin redirect leaks `PRIVATE-TOKEN` and mixed-case `Authorization` credentials in `builder-util-runtime`

Summary In electron-builder's builder-util-runtime package, the HTTP redirect handler HttpExecutor.prepareRedirectUrlOptions only stripped a credential header whose key string matched exactly lowercase "authorization". Other credential-bearing headers — most notably PRIVATE-TOKEN used by GitLab's...

PYSEC-2026-3484 meta-ads-mcp: X-Pipeboard-Token Header Auth Bypass Reuses Operator Meta Token

X-Pipeboard-Token Header Auth Bypass Reuses Operator Meta Token Summary AuthInjectionMiddleware in meta-ads-mcp rejects HTTP MCP requests only when both authtoken and pipeboardtoken are absent. Because extracttokenfromheaders does not recognise the X-Pipeboard-Token header, an attacker who sends...

GHSA-9R8P-H6CC-6QHM n8n: Google Service Account Private Key Exposed in JWT Header

Impact When n8n was configured with a Google Service Account key, the full PEM private key was mistakenly placed in the JWT header's kid field which should only have held a key identifier. Since JWT headers were Base64-encoded rather than encrypted, the key could be recovered by anything that...

Duplicate Advisory: Google Service Account Private Key Exposed in JWT Header

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-9r8p-h6cc-6qhm. This link is maintained to preserve external references. Original Description n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a credential exposure vulnerability: when configured with a...

CVE-2026-65599

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a credential exposure vulnerability: when configured with a Google Service Account key, the full PEM private key was mistakenly placed in the JWT header's kid field intended only for a key identifier. Because JWT headers are Base64-encoded...

CVE-2026-65599 n8n before 1.123.64, 2.29.8, and 2.30.1 Credential Exposure via JWT Header

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a credential exposure vulnerability: when configured with a Google Service Account key, the full PEM private key was mistakenly placed in the JWT header's kid field intended only for a key identifier. Because JWT headers are Base64-encoded...

PT-2026-63357

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a credential exposure vulnerability: when configured with a Google Service Account key, the full PEM private key was mistakenly placed in the JWT header's kid field intended only for a key identifier. Because JWT headers are Base64-encoded...

GHSA-2V2F-MVFG-PH56 meta-ads-mcp: X-Pipeboard-Token Header Auth Bypass Reuses Operator Meta Token

X-Pipeboard-Token Header Auth Bypass Reuses Operator Meta Token Summary AuthInjectionMiddleware in meta-ads-mcp rejects HTTP MCP requests only when both authtoken and pipeboardtoken are absent. Because extracttokenfromheaders does not recognise the X-Pipeboard-Token header, an attacker who sends...

meta-ads-mcp: X-Pipeboard-Token Header Auth Bypass Reuses Operator Meta Token

X-Pipeboard-Token Header Auth Bypass Reuses Operator Meta Token Summary AuthInjectionMiddleware in meta-ads-mcp rejects HTTP MCP requests only when both authtoken and pipeboardtoken are absent. Because extracttokenfromheaders does not recognise the X-Pipeboard-Token header, an attacker who sends...

PT-2026-60896

Name of the Vulnerable Software and Affected Versions meta-ads-mcp versions prior to 1.0.115 Description An authentication bypass exists in the AuthInjectionMiddleware within the meta-ads-mcp package. The middleware only rejects requests when both auth token and pipeboard token are absent. Howeve...

CVE-2026-15075

CVE-2026-15075 affects Eclipse Vert.x up to 4.5.29 (4.x) and 5.1.4 (5.x). The DefaultRedirectHandler in vertx-core forwards all request headers across cross-origin HTTP 30x redirects, stripping only Content-Length. No origin check is performed before copying headers to the redirect target. This a...

PYSEC-2026-2589 Lemur: JWT verifier honors attacker-supplied alg, enabling ATO

Lemur 1.9.0: JWT verifier trusts attacker-supplied alg from token header — defense-in-depth gap; chain-dependent ATO with secret disclosure Vulnerability Summary Field | Value -- | -- Title | Lemur 1.9.0: JWT verifier trusts attacker-supplied alg from token header — defense-in-depth gap;...

CVE-2026-54431

In liboauth2 the Demonstrating Proof-of-Possession DPoP verifier accepts a proof whose JSON Web Key jwk header contains private key material. RFC 9449 section 4.3 step 7 requires the verifier to reject such a proof but oauth2tokenverify function returns success for a malformed DPoP proof that...

CVE-2026-54430 Server-Site Request Forgery in liboauth2

liboauth2 is vulnerable to Server-Side Request Forgery in oauth2josejwksawsalbresolve function. The AWS ALB verifier reads both signer and kid from the unverified JWT header. If signer matches the configured ARN, kid is appended to albbaseurl without URL encoding or path sanitization, and the HTT...

CVE-2026-54673 electron-updater: Cross-origin redirect leaks `PRIVATE-TOKEN` and mixed-case `Authorization` credentials in `builder-util-runtime`

electron-updater allows for automatic updates for Electron apps. Prior to 9.7.0, the HTTP redirect handler HttpExecutor.prepareRedirectUrlOptions only stripped a credential header whose key string matched exactly lowercase "authorization", exposing credentials. Other credential-bearing headers —...

CVE-2026-54673

The CVE affects electron-updater (builder-util-runtime component) prior to version 9.7.0. The root cause is that HttpExecutor.prepareRedirectUrlOptions only stripped a credential header named exactly the lowercase string “authorization.” Other credential-bearing headers, notably PRIVATE-TOKEN and...

CVE-2026-54673

electron-updater allows for automatic updates for Electron apps. Prior to 9.7.0, the HTTP redirect handler HttpExecutor.prepareRedirectUrlOptions only stripped a credential header whose key string matched exactly lowercase "authorization", exposing credentials. Other credential-bearing headers —...