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CVE-2026-35174

Chyrplite Chyrp Lite remote code execution

9.1 CRITICALEPSS 0.87%
  1. Published6 Apr 2026

Description

Chyrp 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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

Chyrplite Chyrp Lite< 2026.01

Remediation

Fixed in
Chyrplite Chyrp Lite≥ 2026.01

References

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Frequently asked

Is CVE-2026-35174 being actively exploited?

CVE-2026-35174 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.87%.

How severe is CVE-2026-35174?

CVE-2026-35174 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.87% probability of exploitation.

Which products are affected by CVE-2026-35174?

Affected products include Chyrplite Chyrp Lite.

How do I fix CVE-2026-35174?

Upgrade affected software to a fixed version, for example Chyrplite Chyrp Lite 2026.01 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-35174 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.