CVE-2026-34979

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, there is a heap-based buffer overflow in the CUPS scheduler when building filter option strings from job attribute. At time of publication, there are no publicly...

CVE-2026-34978

OpenPrinting CUPS vulnerability CVE-2026-34978 involves a path traversal flaw in the RSS notifier (notify-recipient-uri) that affects versions

CVE-2026-34978 OpenPrinting CUPS: Path traversal in RSS notify-recipient-uri enables file write outside CacheDir/rss (and clobbering of job.cache)

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, the RSS notifier allows .. path traversal in notify-recipient-uri e.g., rss:///../job.cache, letting a remote IPP client write RSS XML bytes outside CacheDir/rss...

CVE-2026-34978

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, the RSS notifier allows .. path traversal in notify-recipient-uri e.g., rss:///../job.cache, letting a remote IPP client write RSS XML bytes outside CacheDir/rss...

CVE-2026-34978

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, the RSS notifier allows .. path traversal in notify-recipient-uri e.g., rss:///../job.cache, letting a remote IPP client write RSS XML bytes outside CacheDir/rss...

EUVD-2026-18889

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, a local unprivileged user can coerce cupsd into authenticating to an attacker-controlled localhost IPP service with a reusable Authorization: Local ... token. That...

CVE-2026-34990

In OpenPrinting CUPS versions 2.4.16 and prior , a local unprivileged user can coerce cupsd into authenticating to an attacker-controlled localhost IPP service using a reusable Authorization: Local ... token. This token permits unauthorized /admin/ requests on localhost. By combining this with CU...

CVE-2026-34990

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, a local unprivileged user can coerce cupsd into authenticating to an attacker-controlled localhost IPP service with a reusable Authorization: Local ... token. That...

CVE-2026-27447 OpenPrinting CUPS: Authorization bypass via case-insensitive group-member lookup

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...

EUVD-2026-18863

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...

CVE-2026-27447 OpenPrinting CUPS: Authorization bypass via case-insensitive group-member lookup

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...

CVE-2026-27447

OpenPrinting CUPS (cupsd) contains an authorization bypass in versions 2.4.16 and earlier due to case-insensitive username comparison during authorization checks. This allows an unprivileged user to access restricted operations by using a username that differs only in case from an authorized user...

CVE-2026-27447

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...

CVE-2026-34990: Improper Authentication

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, a local unprivileged user can coerce cupsd into authenticating to an attacker-controlled localhost IPP service with a reusable Authorization: Local ... token. That...

CVE-2026-34978: Improper Limitation of a Pathname to a Restricted Directory

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, the RSS notifier allows .. path traversal in notify-recipient-uri e.g., rss:///../job.cache, letting a remote IPP client write RSS XML bytes outside CacheDir/rss...

CVE-2026-34979: Heap-based Buffer Overflow

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, there is a heap-based buffer overflow in the CUPS scheduler when building filter option strings from job attribute. At time of publication, there are no publicly...

CVE-2026-34980: Improper Input Validation

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, in a network-exposed cupsd with a shared target queue, an unauthorized client can send a Print-Job to that shared PostScript queue without authentication. The server...

OpenPrinting CUPS 安全漏洞

OpenPrinting CUPS is an open-source printing system developed by OpenPrinting Inc., suitable for Linux® and other Unix®-based operating systems. OpenPrinting CUPS versions 2.4.16 and earlier contain security vulnerabilities. These vulnerabilities stem from the ability of non-privileged local user...

OpenPrinting CUPS 安全漏洞

OpenPrinting CUPS is an open-source printing system developed by OpenPrinting Inc., suitable for Linux® and other Unix®-based operating systems. OpenPrinting CUPS versions 2.4.16 and earlier contain security vulnerabilities. These vulnerabilities stem from a heap-based buffer overflow vulnerabili...

CVE-2026-27447: Incorrect Authorization

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...