CVE-2026-35174: Chyrp Lite is an ultra-lightweight blogging engine

Q: How do I fix CVE-2026-35174?

chyrp lite: upgrade to 2026.01. Exact commands for each OS are on this page.

Q: Is CVE-2026-35174 being exploited?

CVE-2026-35174 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-35174 affect?

CVE-2026-35174 affects chyrp lite. Severity is critical (CVSS 9.1). 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 a

Q: How urgent is CVE-2026-35174?

Priority 43/100. Critical severity

This month

CRITICAL 9.1UPGRADE

CVE-2026-35174 is a critical-severity flaw (CVSS 9.1) affecting chyrp lite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-22, CWE-73, CWE-434
Published	2026-04-06
Last modified	2026-07-24

Publisher (CNA): GitHub, Inc. · Vendor: chyrplite

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-06 18:16 UTCPublished CVE record published
2026-07-24 21:10 UTCUpdated Record last modified

chyrplite chyrp lite UPGRADE

Affected: < 2026.01

Fixed in: 2026.01

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy chyrp-lite || rpm -q chyrp-lite || chyrp-lite --version

2. UPGRADE to 2026.01 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade chyrp-lite

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade chyrp-lite

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-35174?

chyrp lite: upgrade to 2026.01. Exact commands for each OS are on this page.

Is CVE-2026-35174 being exploited?

CVE-2026-35174 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-35174 affect?

CVE-2026-35174 affects chyrp lite. Severity is critical (CVSS 9.1). 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 a

How urgent is CVE-2026-35174?

Priority 43/100. Critical severity

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-35173 MEDIUM 6.5 UPGRADE Chyrp Lite is an ultra-lightweight blogging engine

References

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