CVE-2026-34776 Electron: Out-of-bounds read in second-instance IPC on macOS and Linux

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.1, 40.8.1, and 41.0.0, on macOS and Linux, apps that call app.requestSingleInstanceLock were vulnerable to an out-of-bounds heap read when parsing a crafted...

CVE-2026-34776

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.1, 40.8.1, and 41.0.0, on macOS and Linux, apps that call app.requestSingleInstanceLock were vulnerable to an out-of-bounds heap read when parsing a crafted...

CVE-2026-34776 Electron: Out-of-bounds read in second-instance IPC on macOS and Linux

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.1, 40.8.1, and 41.0.0, on macOS and Linux, apps that call app.requestSingleInstanceLock were vulnerable to an out-of-bounds heap read when parsing a crafted...

CVE-2026-34776

Electron suffers an out-of-bounds heap read on macOS/Linux when an app calls app.requestSingleInstanceLock() and processes a crafted second-instance message. The vulnerability allows leaking memory contents to the second-instance handler and is limited to processes running under the same user as ...

CVE-2026-34776 Electron: Out-of-bounds read in second-instance IPC on macOS and Linux

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.1, 40.8.1, and 41.0.0, on macOS and Linux, apps that call app.requestSingleInstanceLock were vulnerable to an out-of-bounds heap read when parsing a crafted...

CVE-2026-33746

Convoy is a KVM server management panel for hosting businesses. From version 3.9.0-beta to before version 4.5.1, the JWTService::decode method did not verify the cryptographic signature of JWT tokens. While the method configured a symmetric HMAC-SHA256 signer via lcobucci/jwt, it only validated...

Out-of-bounds Read

Overview electron is a framework which lets you write cross-platform desktop applications using JavaScript, HTML and CSS. Affected versions of this package are vulnerable to Out-of-bounds Read in the second-instance event handler when parsing a crafted second-instance message via the...

GHSA-3C8V-CFP5-9885 Electron: Out-of-bounds read in second-instance IPC on macOS and Linux

Impact On macOS and Linux, apps that call app.requestSingleInstanceLock were vulnerable to an out-of-bounds heap read when parsing a crafted second-instance message. Leaked memory could be delivered to the app's second-instance event handler. This issue is limited to processes running as the same...

Electron: Out-of-bounds read in second-instance IPC on macOS and Linux

Impact On macOS and Linux, apps that call app.requestSingleInstanceLock were vulnerable to an out-of-bounds heap read when parsing a crafted second-instance message. Leaked memory could be delivered to the app's second-instance event handler. This issue is limited to processes running as the same...

CVE-2026-34840

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, OneUptime's SAML SSO implementation App/FeatureSet/Identity/Utils/SSO.ts has decoupled signature verification and identity extraction. isSignatureValid verifies the first element in the XML DOM using...

CVE-2026-34840 OneUptime SSO: Multi-Assertion Identity Injection via Decoupled Signature Verification

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, OneUptime's SAML SSO implementation App/FeatureSet/Identity/Utils/SSO.ts has decoupled signature verification and identity extraction. isSignatureValid verifies the first element in the XML DOM using...

EUVD-2026-18533

OneUptime is an open-source monitoring and observability platform. Prior to version 10.0.42, OneUptime's SAML SSO implementation App/FeatureSet/Identity/Utils/SSO.ts has decoupled signature verification and identity extraction. isSignatureValid verifies the first element in the XML DOM using...

CVE-2026-33746

Convoy is a KVM server management panel for hosting businesses. From version 3.9.0-beta to before version 4.5.1, the JWTService::decode method did not verify the cryptographic signature of JWT tokens. While the method configured a symmetric HMAC-SHA256 signer via lcobucci/jwt, it only validated...

EUVD-2026-18210

A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an attacker to delete arbitrary single-use entries, which can enable the replay of consumed action tokens, such as password reset links. This...

Improper Isolation or Compartmentalization

Overview Affected versions of this package are vulnerable to Improper Isolation or Compartmentalization due to improper type and namespace isolation in the SingleUseObjectProvider. An attacker can obtain unauthorized access by forging authorization codes, which may result in the creation of...

GHSA-RX66-HJ7G-28H7 Keycloak: Replay of action tokens via improper handling of single-use entries

A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an attacker to delete arbitrary single-use entries, which can enable the replay of consumed action tokens, such as password reset links. This...

CVE-2026-33746

Convoy (KVM server management panel) is vulnerable in versions 3.9.0-beta through

EUVD-2026-18354

Convoy is a KVM server management panel for hosting businesses. From version 3.9.0-beta to before version 4.5.1, the JWTService::decode method did not verify the cryptographic signature of JWT tokens. While the method configured a symmetric HMAC-SHA256 signer via lcobucci/jwt, it only validated...

CVE-2026-33746 Convoy: JWT Signature Verification Bypass Allows Authentication as Arbitrary Users

Convoy is a KVM server management panel for hosting businesses. From version 3.9.0-beta to before version 4.5.1, the JWTService::decode method did not verify the cryptographic signature of JWT tokens. While the method configured a symmetric HMAC-SHA256 signer via lcobucci/jwt, it only validated...

keycloak: Keycloak: Replay of action tokens via improper handling of single-use entries

A flaw was found in Keycloak. The SingleUseObjectProvider, a global key-value store, lacks proper type and namespace isolation. This vulnerability allows an attacker to delete arbitrary single-use entries, which can enable the replay of consumed action tokens, such as password reset links. This...