Vulnerability record
CVE-2026-123747
The short answer
CVE-2026-123747 affects OpenPrinting pappl-retrofit and is rated high (CVSS 7.3). It is not in CISA's Known Exploited Vulnerabilities catalog.
What it is
A flaw was found in pappl-retrofit. The application fails to properly sanitize user-supplied filenames when handling the upload and deletion of PostScript Printer Description (PPD) files. A remote, unauthenticated attacker can exploit this directory traversal flaw by submitting filenames containing path traversal sequences. This allows the attacker to upload or delete arbitrary files on the system, which can result in data corruption, denial of service, or arbitrary command execution.
Weakness: CWE-22.
Severity
7.3 high
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:H
Exploited (CISA KEV)
Not listed
CISA lists confirmed exploitation only
EPSS, next 30 days
No score
FIRST scores CVEs within a day of publication
How it can be exploited
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- High
- User interaction
- Required
- Scope
- Changed
- Confidentiality impact
- None
- Integrity impact
- High
- Availability impact
- High
Affected products
pappl-retrofit, Red Hat Enterprise Linux 10. NVD's record lists the exact affected versions.
References
Questions
Is CVE-2026-123747 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog as of 2026-11-12.
How do I fix CVE-2026-123747?
Follow the vendor advisory in the references below. NVD lists the affected versions under its configurations.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Awaiting Analysis. The description is NVD's text, quoted as published.
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