Chyrp Lite has a Path Traversal to Remote Code Execution

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Summary

CVECVE-2026-35174
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-06 18:16:43 UTC
Updated2026-04-06 18:16:43 UTC
DescriptionChyrp Lite is an ultra-lightweight blogging engine. Prior to 2026.01, a path traversal vulnerability exists in the administration console that allows an administrator or a user with Change Settings permission to change the uploads path to any folder. This vulnerability allows the user to download any file on the server, including config.json.php with database credentials and overwrite critical system files, leading to remote code execution. This vulnerability is fixed in 2026.01.

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from [email protected]

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

Problem Types: CWE-22 | CWE-73 | CWE-434 | CWE-22 CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | CWE-73 CWE-73: External Control of File Name or Path | CWE-434 CWE-434: Unrestricted Upload of File with Dangerous Type

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
3.1CNADECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Xenocrat Chyrp-lite affected < 2026.01 Not specified

References

ReferenceSourceLinkTags
github.com/xenocrat/chyrp-lite/security/advisories/GHSA-p6pf-2grm-8257 [email protected] github.com
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