Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ipv4: Handled attempts to delete multipath routes when fibinfo contains a reference to nh. Gwangun Jung reported a buffer overflow vulnerability in fibnhmatch: fibnhmatch+0xf98/0x1130, linux-6.0-rc7/net/ipv4/fibsemantics.c:961...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: Prevent potential spectre v1 exploits in fibmetricsmatch if !type continue; if type RTAXMAX return false; ... fival = fi-fibmetrics-metricstype - 1; Since @type is used as an array index, we need to prevent CPU speculation ...

Astra Linux – Vulnerability in Apache2

Some modproxy configurations on the Apache HTTP Server versions 2.4.0 through 2.4.55 allow for an HTTP Request Smuggling attack. These configurations are affected when modproxy is enabled along with some form of RewriteRule or ProxyPassMatch, where a non-specific pattern matches a portion of the...

DEBIAN-CVE-2026-89161

In PCRE2 before 10.48, pcre2jitmatch mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur...

PT-2026-89765

PCRE2 before 10.48 has a pcre2 match out-of-bounds read during the PCRE2 MATCH INVALID UTF matching of an invalid UTF subject...

GHSA-WPMR-8H3Q-FWJ7 Open WebUI: Sign-in as another user via wildcard characters in the OAuth subject claim on SQLite

Summary On SQLite deployments, the lookup that maps an external identity to a local account does a substring match instead of an exact match. A subject value containing SQL wildcard characters therefore matches accounts the value was never issued for, and the sign-in binds to whichever account th...

Open WebUI: Sign-in as another user via wildcard characters in the OAuth subject claim on SQLite

Summary On SQLite deployments, the lookup that maps an external identity to a local account does a substring match instead of an exact match. A subject value containing SQL wildcard characters therefore matches accounts the value was never issued for, and the sign-in binds to whichever account th...

GO-2026-6367 Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match in github.com/cilium/cilium

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match in github.com/cilium/cilium...

GO-2026-6361 SeaweedFS: Filer JWT allowed_prefixes literal prefix match allows cross-tenant access to sibling paths in github.com/seaweedfs/seaweedfs

SeaweedFS: Filer JWT allowedprefixes literal prefix match allows cross-tenant access to sibling paths in github.com/seaweedfs/seaweedfs...

PraisonAI: Origin-validation bypass (startswith prefix match) enables unauthenticated cross-site request forgery against the PraisonAI MCP HTTP server

SummaryThe PraisonAI MCP server exposes an HTTP-stream transport praisonai mcp serve --transport http-stream that binds to localhost and, by default, has no API key. Its only access control for browser-originated requests is an Origin allowlist, which the code implements as required by the MCP...

PYSEC-2026-3892 PraisonAI: Origin-validation bypass (startswith prefix match) enables unauthenticated cross-site request forgery against the PraisonAI MCP HTTP server

Summary The PraisonAI MCP server exposes an HTTP-stream transport praisonai mcp serve --transport http-stream that binds to localhost and, by default, has no API key. Its only access control for browser-originated requests is an Origin allowlist, which the code implements as required by the MCP...

PraisonAI has an origin validation bypass in MCP HTTP Stream transport that allows browser-mediated unauthenticated tool execution on local MCP server

SummaryPraisonAI's MCP HTTP Stream transport uses an unsafe prefix match when validating the Origin header. The default localhost allowlist includes origins such as http://localhost, and the validation accepts any origin that starts with an allowed value.As a result, an attacker-controlled origin...

PYSEC-2026-3896 PraisonAI has an origin validation bypass in MCP HTTP Stream transport that allows browser-mediated unauthenticated tool execution on local MCP server

Summary PraisonAI's MCP HTTP Stream transport uses an unsafe prefix match when validating the Origin header. The default localhost allowlist includes origins such as http://localhost, and the validation accepts any origin that starts with an allowed value. As a result, an attacker-controlled orig...

Copier has a trust-prefix bypass via path traversal that runs tasks unprompted

Copier: trust-prefix bypass via path traversal runs tasks unprompted SummaryIn copier = 9.5.0,...

CVE-2026-87853

A flaw was found in SSSD's IdP authentication provider. The evalaccesstokenbuf function compares the OIDC subject identifier using strncmp with the authenticated user's identifier length, performing a prefix comparison instead of an exact match. An attacker whose IdP identifier is a strict prefix...

EUVD-2026-75084

A flaw was found in SSSD's IdP authentication provider. The evalaccesstokenbuf function compares the OIDC subject identifier using strncmp with the authenticated user's identifier length, performing a prefix comparison instead of an exact match. An attacker whose IdP identifier is a strict prefix...

CVE-2026-87810

Siyuan before v3.8.2 contains an information disclosure vulnerability in the POST /api/search/fullTextSearchBlock endpoint that filters private blocks from results but returns unfiltered match counts. Unauthenticated publish-mode readers can submit arbitrary search terms to learn whether matching...

CVE-2026-87810 Siyuan before v3.8.2 Information Disclosure via fullTextSearchBlock

Siyuan before v3.8.2 contains an information disclosure vulnerability in the POST /api/search/fullTextSearchBlock endpoint that filters private blocks from results but returns unfiltered match counts. Unauthenticated publish-mode readers can submit arbitrary search terms to learn whether matching...

CVE-2026-87810 Siyuan before v3.8.2 Information Disclosure via fullTextSearchBlock

Siyuan before v3.8.2 contains an information disclosure vulnerability in the POST /api/search/fullTextSearchBlock endpoint that filters private blocks from results but returns unfiltered match counts. Unauthenticated publish-mode readers can submit arbitrary search terms to learn whether matching...

EUVD-2026-74836

Siyuan before v3.8.2 contains an information disclosure vulnerability in the POST /api/search/fullTextSearchBlock endpoint that filters private blocks from results but returns unfiltered match counts. Unauthenticated publish-mode readers can submit arbitrary search terms to learn whether matching...