CVE-2026-76925: Time-of-check Time-of-use (TOCTOU) Race Condition

A flaw was found in Flatpak. A Time-of-check to time-of-use TOCTOU race condition exists in the org.freedesktop.Flatpak.SystemHelper component. This vulnerability occurs because a privileged chmod operation executes before the OSTree repository validation within the Deploy function. An attacker c...

PT-2026-86261

Name of the Vulnerable Software and Affected Versions Flatpak affected versions not specified Description A Time-of-check to time-of-use TOCTOU race condition exists in the org.freedesktop.Flatpak.SystemHelper component. This occurs because a privileged chmod operation executes before the OSTree...

CVE-2026-85583: Improper Link Resolution Before File Access

SiYuan versions before v3.8.2 contain a path traversal vulnerability in the reader-accessible file-read endpoint that follows symlinks when opening authorized asset paths. Attackers with reader role can request a logical asset under data/assets/ that is a symlink to a file outside the workspace a...

PT-2026-85483

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.8.2 Description A path traversal issue exists in the file-read endpoint accessible to users with the reader role. The system follows symbolic links symlinks when opening authorized asset paths under data/assets/. Thi...

Fedora 43 : mrtg (2026-4522f50b2c)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-4522f50b2c advisory. Fix CVE-2026-72694: symlink-following privilege escalation in PID file handling Tenable has extracted the preceding description block directly from...

python: cpython: CPython: tarfile extraction filter bypass allows escaping the destination directory

A flaw was found in the tarfile.extractall function within Python. A remote attacker could exploit this vulnerability by providing a specially crafted archive. This archive could bypass security filters by using a hardlink that references a symlink, allowing the symlink to be recreated outside th...

SUSE CVE-2026-78409

The X-mount.subdir option uses a detached-tree fast path on Linux 6.15 and later and passes the configured subdirectory to opentree with ATSYMLINKNOFOLLOW. That flag does not stop intermediate symlink traversal or keep resolution inside the newly mounted filesystem. A local unprivileged user with...

CVE-2026-85092

LiME through 1.12.0 fails to validate the disk acquisition output path and does not use ONOFOLLOW when opening the operator-supplied path parameter, allowing unprivileged local users to overwrite arbitrary root-owned files. An attacker who controls the output directory can create a symbolic link...

util-linux: util-linux: X-mount.subdir detached-tree resolution can escape via intermediate symlinks

The X-mount.subdir option uses a detached-tree fast path on Linux 6.15 and later and passes the configured subdirectory to opentree with ATSYMLINKNOFOLLOW. That flag does not stop intermediate symlink traversal or keep resolution inside the newly mounted filesystem. A local unprivileged user with...

erlang: Erlang OTP ssh: Information disclosure via symlink resolution in SFTP

A flaw was found in Erlang OTP ssh, specifically within the sshsftpd module. An authenticated SFTP client can exploit this vulnerability by creating a symbolic link symlink inside a restricted directory chroot that points to the root directory. When the client reads this symlink, the sshsftpd...

Security update for libvirt

This update for libvirt fixes the following issues: CVE-2026-18917: remote: Fix integer overflow in RPC handler for virNodeGetFreePages bsc1275863 CVE-2026-63622: util: virFileChownFiles: do not follow symlinks bsc1275264 CVE-2026-63623: storage: create images with a private umask during qemu-img...

SUSE-SU-2026:3939-1 Security update for libvirt

This update for libvirt fixes the following issues: - CVE-2026-18917: remote: Fix integer overflow in RPC handler for virNodeGetFreePages bsc1275863 - CVE-2026-63622: util: virFileChownFiles: do not follow symlinks bsc1275264 - CVE-2026-63623: storage: create images with a private umask during...

CVE-2026-85092 LiME through 1.12.0 Arbitrary File Overwrite via Symlink Following

LiME through 1.12.0 fails to validate the disk acquisition output path and does not use ONOFOLLOW when opening the operator-supplied path parameter, allowing unprivileged local users to overwrite arbitrary root-owned files. An attacker who controls the output directory can create a symbolic link...

CVE-2026-85092 LiME through 1.12.0 Arbitrary File Overwrite via Symlink Following

LiME through 1.12.0 fails to validate the disk acquisition output path and does not use ONOFOLLOW when opening the operator-supplied path parameter, allowing unprivileged local users to overwrite arbitrary root-owned files. An attacker who controls the output directory can create a symbolic link...

CVE-2026-85092

LiME (Linux Memory Engine) through version 1.12.0 contains an arbitrary file overwrite vulnerability caused by a missing O_NOFOLLOW flag and insufficient validation of the operator-supplied disk acquisition output path. An unprivileged local attacker who controls the output directory can plant a ...

CVE-2026-85092 LiME through 1.12.0 Arbitrary File Overwrite via Symlink Following

LiME through 1.12.0 fails to validate the disk acquisition output path and does not use ONOFOLLOW when opening the operator-supplied path parameter, allowing unprivileged local users to overwrite arbitrary root-owned files. An attacker who controls the output directory can create a symbolic link...

Dell PowerProtect Cyber Recovery < 20.3.0.0 Multiple Vulnerabilities (DSA-2026-370)

The version of Dell PowerProtect Cyber Recovery installed on the remote host is prior to 20.3.0.0. It is, therefore, affected by multiple vulnerabilities: - Dell PowerProtect Cyber Recovery, versions 20.2 and prior, contain an Improper Neutralization of Special Elements used in an SQL Command 'SQ...

Fedora 44 : mrtg (2026-d05b77001f)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-d05b77001f advisory. Fix CVE-2026-72694: symlink-following privilege escalation in PID file handling Tenable has extracted the preceding description block directly from...

PT-2026-84906

LiME through 1.12.0 fails to validate the disk acquisition output path and does not use O NOFOLLOW when opening the operator-supplied path parameter, allowing unprivileged local users to overwrite arbitrary root-owned files. An attacker who controls the output directory can create a symbolic link...

Linux Distros Unpatched Vulnerability : CVE-2026-78409

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The X-mount.subdir option uses a detached-tree fast path on Linux 6.15 and later and passes the configured subdirectory to opentree with ATSYMLINKNOFOLLOW. That...