BIT-GITLAB-2026-112212 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an...

PT-2026-132429

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an...

EUVD-2026-107671

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an...

CVE-2026-112212

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an...

Gitlab Gitlab: CVE-2026-112212: Inconsistent Interpretation of HTTP Requests

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an...

CVE-2026-112212 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an...

CVE-2026-112212 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an...

CVE-2026-112212 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an...

CVE-2026-112212

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could have poisoned a shared cache's OAuth/OIDC discovery document to redirect certain flows to an...

CVE-2026-112212

GitLab CE/EE versions 18.3 before 19.3.6 , 19.4 before 19.4.3 , and 19.5 before 19.5.1 are vulnerable to HTTP Request/Response Smuggling (CWE-444). An unauthenticated user can poison a shared cache's OAuth/OIDC discovery document because the software improperly trusts user-supplied values when co...

GitLab input validation error vulnerability

A input validation error vulnerability exists in GitLab CE/EE versions from 18.3 up to and including 19.3.6, from 19.4 up to and including 19.4.3, and from 19.5 up to and including 19.5.1. This vulnerability stems from improper trust of user-supplied values when constructing endpoint URLs within...

PT-2026-120881

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 18.3 through 19.3.5 GitLab CE/EE versions 19.4 through 19.4.2 GitLab CE/EE versions 19.5 through 19.5.0 Description An unauthenticated user can poison a shared cache's OAuth/OIDC discovery document. This occurs because th...

GitLab 18.3 < 19.3.6 / 19.4 < 19.4.3 / 19.5 < 19.5.1 (CVE-2026-112212)

The version of GitLab installed on the remote host is affected by a vulnerability, as follows: - GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, an unauthenticated user could...

CVE-2026-108062

Pre-authentication OIDC discovery and JWKS fetches run synchronously on the asyncio event loop, so one unauthenticated request stalls the whole service...

CVE-2026-107597 jwks_uri from the OIDC discovery document is fetched without checking its origin or scheme

PIA's token verification verifytoken in pia/oidc.py fetches the OIDC discovery document of an allowlisted issuer and then follows the jwksuri contained in that response without parsing it as a URL, comparing it against the approved issuer's origin, or requiring HTTPS — the only check is that the...

CVE-2026-107597 jwks_uri from the OIDC discovery document is fetched without checking its origin or scheme

PIA's token verification verifytoken in pia/oidc.py fetches the OIDC discovery document of an allowlisted issuer and then follows the jwksuri contained in that response without parsing it as a URL, comparing it against the approved issuer's origin, or requiring HTTPS — the only check is that the...

CVE-2026-107597

The PIA software is vulnerable to Server-Side Request Forgery (SSRF) due to improper validation of the jwks_uri in OIDC discovery documents. Specifically, the verify_token function in pia/oidc.py follows the jwks_uri without verifying its origin, scheme, or requiring HTTPS, only checking that the...

CVE-2026-107597 jwks_uri from the OIDC discovery document is fetched without checking its origin or scheme

PIA's token verification verifytoken in pia/oidc.py fetches the OIDC discovery document of an allowlisted issuer and then follows the jwksuri contained in that response without parsing it as a URL, comparing it against the approved issuer's origin, or requiring HTTPS — the only check is that the...

CVE-2026-108062

The CVE-2026-108062 vulnerability involves pre-authentication OIDC discovery and JWKS fetches running synchronously on the asyncio event loop . This synchronous execution causes a single unauthenticated request to stall the entire service, leading to a CWE-400 Uncontrolled Resource Consumption is...

CVE-2026-108062 Pre-authentication OIDC discovery and JWKS fetches run synchronously on the asyncio event loop

Pre-authentication OIDC discovery and JWKS fetches run synchronously on the asyncio event loop, so one unauthenticated request stalls the whole service...