CVE-2026-42497

Archive::Tar for Perl versions before 3.08 contains a path traversal via hardlinks: _make_special_file() passes the tar header linkname to link() without validating absolute paths or .. segments, allowing a hardlink to attacker-controlled targets outside the extraction directory. A follow-up writ...

EUVD-2026-31777

Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory. makespecialfile passes the tar header's linkname to link without validating it against absolute paths or .. segments, creating a hardlink that shares the victim file's inode...

CVE-2026-42497

Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory. makespecialfile passes the tar header's linkname to link without validating it against absolute paths or .. segments, creating a hardlink that shares the victim file's inode...

PT-2026-43163

Name of the Vulnerable Software and Affected Versions Archive::Tar versions prior to 3.08 Description Archive::Tar for Perl allows the extraction of hardlinks to attacker-controlled paths outside the intended extraction directory. The function make special file passes the tar header's linkname to...

GHSA-VRXG-GM77-7Q5G Windows-MCP: HTTP transports expose unauthenticated PowerShell control with wildcard CORS

HTTP transports expose unauthenticated PowerShell control with wildcard CORS There is an issue in the SSE and Streamable HTTP transport modes. The default stdio mode is not affected, but the documented HTTP modes expose the MCP control plane without authentication and add wildcard CORS handling...

PT-2026-47628

Name of the Vulnerable Software and Affected Versions Windows-MCP versions prior to 0.7.5 Description In SSE and Streamable HTTP transport modes, the MCP control plane is exposed without authentication and utilizes wildcard CORS Cross-Origin Resource Sharing, which allows any origin, method, or...

CVE-2026-9084 MISP OIDC authentication bypass via automatic email-based account linking under insecure IdP configurations

MISP’s OIDC authentication plugin allowed automatic linking of an OIDC identity to an existing local user account based on the email claim when the local account had no stored sub value. Under insecure or untrusted IdP configurations where email ownership is not enforced, an attacker with a valid...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

A flaw was discovered in the handling of SMB2 read requests within the kernel’s ksmbd module. The issue arises due to the lack of proper validation of user-provided data, which can lead to reading data beyond the end of an allocated buffer. An attacker can exploit this vulnerability to disclose...

Astra Linux – Vulnerability in Firefox

When sharing geolocation during an active WebRTC share, Firefox may reset the WebRTC sharing state in the user interface, resulting in a loss of control over the currently granted permissions. This vulnerability affects Firefox versions earlier than 85...

Astra Linux – Vulnerability in Linux, Linux 5.10

The non-transparent sharing of the branch predictor within the context of some Intel processors may allow an authorized user to potentially enable information disclosure through local access...

Astra Linux – Vulnerability in Linux 5.10, Linux

Linux block and network PV device frontends do not zero memory regions before sharing them with the backend CVE-2022-26365, CVE-2022-33740. Additionally, the granularity of the grant table does not allow sharing smaller than a 4K page, resulting in unrelated data residing in the same 4K page as...

Astra Linux – Vulnerability in Chromium

Before version 91.0.4472.114, using "After Free" in Google Chrome allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption through a crafted HTML page and user gestures...

Astra Linux – Vulnerability in Chromium

Before version 89.0.4389.114, using screen sharing in Google Chrome allowed a remote attacker to potentially exploit heap corruption through a crafted HTML page...

Astra Linux – Vulnerability in Jetty9

In Eclipse Jetty versions 9.4.0 to 9.4.56, a buffer can be released incorrectly when encountering a gzip error during the inflation of a request body. This can lead to corrupted data and/or inadvertent sharing of data between requests...

Astra Linux – Vulnerability in Tomcat9

The simplified implementation of blocking reads and writes introduced in Tomcat 10, and backported to Tomcat 9.0.47 and later versions, exposed a long-standing but extremely difficult to trigger concurrency bug in Apache Tomcat 10.1.0 to 10.1.0-M12, 10.0.0-M1 to 10.0.18, 9.0.0-M1 to 9.0.60, and...

Astra Linux – Vulnerability in Linux, Linux 5.10

The non-transparent sharing of branch predictor selectors between contexts in some Intel processors may allow an authorized user to potentially enable information disclosure through local access...

Astra Linux – Vulnerability in Linux 5.10, Linux

Linux block and network PV device frontends do not zero memory regions before sharing them with the backend CVE-2022-26365, CVE-2022-33740. Additionally, the granularity of the grant table does not allow sharing smaller than a 4K page, resulting in unrelated data residing in the same 4K page as...

Astra Linux – Vulnerability in Samba

In DCE/RPC, it is possible to share handles cookies for resource state between multiple connections through a mechanism called “association groups”. These handles can reference connections to our sam.ldb database. However, while the database is correctly shared, the user credentials are only...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed the session state check when reconnecting to avoid a use-after-free issue. Do not collect the exiting session in smb2reconnectserver, as it will be released soon...

Уязвимость механизма CORS (Cross-Origin Resource Sharing) браузеров Google Chrome и Microsoft Edge, позволяющая нарушителю обойти существующие механизмы безопасности

Уязвимость механизма CORS Cross-Origin Resource Sharing браузеров Google Chrome и Microsoft Edge связана с недостаточной проверкой входных данных. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, обойти существующие механизмы безопасности с помощью специально созданной...