CVE-2026-49836Medium· 4.6▾ TwilightPoC availablepsd-tools is a Python package for working with Adobe Photoshop PSD files. Prior to version 1.17.1, `SmartObject.save()` writes an embedded smart object to a path taken verbatim from the PSD file. Because that name is attacker-controlled …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 25.3 · likelihood 0 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 11.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
4.6 → —
Exploit / PoC code exists
— → 4.6
4.6 → —
— → 4.6
4.6 → —
— → 4.6
psd-tools is a Python package for working with Adobe Photoshop PSD files. Prior to version 1.17.1, SmartObject.save() writes an embedded smart object to a path taken verbatim from the PSD file. Because that name is attacker-controlled and unsanitised, a tool that extracts embedded objects from an untrusted .psd can be made to write attacker-chosen bytes to an attacker-chosen path (absolute or ../-traversing), outside its intended output directory. A secondary issue in SmartObject.open() for external-kind smart objects allows the attacker-controlled fullPath descriptor to be used as an arbitrary file read path, enabling exfiltration of the read content to the controlled write destination. Both issues are fixed in v1.17.1.
psd-tools < 1.17.1Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
psd-tools <= 1.17.0Patched in:
psd-tools 1.17.1Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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