CVE-2026-118693: Path Traversal (CVSS 4.7)

Description

CherryTree through 1.7.2 contains a path traversal vulnerability in CtStorageXmlHelper::_create_image_from_xml that trusts unvalidated embedded-file 'filename' attributes in XML documents. Attackers can craft a .ctd, .ctz, or .ctx document with an absolute or ~/ filename and no data, so saving embeds files like ~/.ssh/id_rsa into the document.

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CVSS v3.1 Score

4.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-36 CWE-36

References

Other References

https://github.com/giuspen/cherrytree https://github.com/giuspen/cherrytree/blob/v1.7.2/src/ct/ct_image.cc#L757-L767 https://github.com/giuspen/cherrytree/blob/v1.7.2/src/ct/ct_storage_xml.cc#L648-L692 https://github.com/giuspen/cherrytree/issues/2944 https://www.vulncheck.com/advisories/cherrytree-through-1.7.2-local-file-disclosure-via-embedded-file-filename-path

Frequently Asked Questions

What is CVE-2026-118693? +

CherryTree through 1.7.2 contains a path traversal vulnerability in CtStorageXmlHelper::_create_image_from_xml that trusts unvalidated embedded-file 'filename' attributes in XML documents. Attackers can craft a .ctd, .ctz, or .ctx document with an absolute or ~/ filename and no data, so saving embeds files like ~/.ssh/id_rsa into the document. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2026-118693? +

CVE-2026-118693 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-118693? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-118693