PT-2026-57558

filebrowser versions before 2.63.17 fail to normalize paths before querying the share index in DeleteWithPathPrefix, allowing authenticated users to leave stale public shares behind. Attackers can delete a shared directory using a trailing-slash path, then recreate the same directory to expose ne...

mcp-atlassian: Arbitrary server-side file read via attachment upload

Summary A client that can invoke MCP tools can read arbitrary files from the server host and exfiltrate them as Atlassian attachments. The attachment-upload tools take a client-supplied filepath and open it on the server's filesystem. The upload tools are meant to attach a file from the caller's...

CVE-2026-53951

Copier is a library and CLI app for rendering project templates. In versions 9.5.0 through 9.15.1, the trust setting's prefix match copier/settings.py compares the template URL against a trusted prefix with a raw str.startswith and no path normalization, while the URL is normalized when the...

CVE-2026-53951: Improper Limitation of a Pathname to a Restricted Directory

Copier is a library and CLI app for rendering project templates. In versions 9.5.0 through 9.15.1, the trust setting's prefix match copier/settings.py compares the template URL against a trusted prefix with a raw str.startswith and no path normalization, while the URL is normalized when the...

PYSEC-2026-1097 AIOHTTP vulnerable to brute-force leak of internal static file path components

Summary Path normalization for static files prevents path traversal, but opens up the ability for an attacker to ascertain the existence of absolute path components. Impact If an application uses web.static not recommended for production deployments, it may be possible for an attacker to ascertai...

GO-2026-5861 Probo has an open redirect bypass via path normalization in go.probo.inc/probo

Probo has an open redirect bypass via path normalization in go.probo.inc/probo...

Flask-CORS allows for inconsistent CORS matching

A vulnerability in corydolphin/flask-cors version 5.0.1 allows for inconsistent CORS matching due to the handling of the '+' character in URL paths. The request.path is passed through the unquoteplus function, which converts the '+' character to a space ' '. This behavior leads to incorrect path...

PYSEC-2026-1385 Flask-CORS allows for inconsistent CORS matching

A vulnerability in corydolphin/flask-cors version 5.0.1 allows for inconsistent CORS matching due to the handling of the '+' character in URL paths. The request.path is passed through the unquoteplus function, which converts the '+' character to a space ' '. This behavior leads to incorrect path...

PYSEC-2026-1840 Pyramid static view path traversal up one directory

Impact This impacts users of Python 3.11 that are using a Pyramid static view with a full filesystem path and have a index.html file that is located exactly one directory above the location of the static view's file system path. No further path traversal exists, and the only file that could be...

Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS : Python vulnerabilities (USN-8509-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8509-1 advisory. It was discovered that Python incorrectly normalized paths in the tarfile module. An attacker could possibly use this issue to...

GHSA-X7QQ-M748-8P2C Probo has an open redirect bypass via path normalization

Impact Probo's saferedirect package validates redirect URLs used across authentication flows OIDC, SAML, session transfer, OAuth connectors, and trust-center magic links. The validator only inspected the second character of relative paths, so a URL like /../\evil.com passed validation because the...

Probo has an open redirect bypass via path normalization

Impact Probo's saferedirect package validates redirect URLs used across authentication flows OIDC, SAML, session transfer, OAuth connectors, and trust-center magic links. The validator only inspected the second character of relative paths, so a URL like /../\evil.com passed validation because the...

CVE-2026-13207: Authentication Bypass by Spoofing

FUXA versions 1.3.1 and prior contain an authentication bypass vulnerability via dot-segment path normalization in the REST API. The API router fails to normalize dot-segment sequences before applying authentication middleware, allowing unauthenticated requests to access protected endpoints by...

PT-2026-54444

Name of the Vulnerable Software and Affected Versions probod versions prior to 0.194.1 Description The saferedirect package in go.probo.inc/probo fails to properly validate redirect URLs used in authentication flows, such as OIDC, SAML, session transfer, OAuth connectors, and trust-center magic...

GO-2026-5752 Traefik has a StripPrefix Route-Level Auth Bypass via Path Normalization in github.com/traefik/traefik

Traefik has a StripPrefix Route-Level Auth Bypass via Path Normalization in github.com/traefik/traefik...

GO-2026-5097 Heimdall has an authorization bypass via path normalization mismatch in github.com/dadrus/heimdall

Heimdall has an authorization bypass via path normalization mismatch in github.com/dadrus/heimdall...

Open Redirect

Nuxt is vulnerable to open redirect. The vulnerability is due to improper validation of path-normalized URLs in navigateTo, where specially crafted paths can bypass external-host checks after normalization, allowing attackers to redirect users to malicious websites and facilitate phishing attacks...

CVE-2026-48020 Traefik StripPrefix Route-Level Auth Bypass via Path Normalization

Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.48, 3.6.19, and 3.7.3, there is a high severity vulnerability in Traefik's StripPrefix middleware that allows an unauthenticated attacker to bypass route-level authentication and authorization. When a public router matches on a...

CVE-2026-48020

Traefik CVE-2026-48020 describes an authentication bypass via StripPrefix Route-Level Auth Bypass. Prior to fixes, when a public router uses PathPrefix with StripPrefix, requests containing .. or %2e%2e could match the public route, then after prefix stripping and path normalization, resolve to a...

CVE-2026-48020 Traefik StripPrefix Route-Level Auth Bypass via Path Normalization

Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.48, 3.6.19, and 3.7.3, there is a high severity vulnerability in Traefik's StripPrefix middleware that allows an unauthenticated attacker to bypass route-level authentication and authorization. When a public router matches on a...