CVE-2025-26260: Plenti <= 0.7.16 is vulnerable to code execution

Q: How do I fix CVE-2025-26260?

plenti: upgrade to 0.7.17. Exact commands for each OS are on this page.

Q: Is CVE-2025-26260 being exploited?

CVE-2025-26260 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-2025-26260 affect?

CVE-2025-26260 affects plenti. Severity is high (CVSS 8.8). Plenti <= 0.7.16 is vulnerable to code execution. Users uploading '.svelte' files with the /postLocal endpoint can define the file name as javascript codes. The server executes the uploaded file name in host, and cause code execution.

Q: How urgent is CVE-2025-26260?

Priority 50/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2025-26260 is a high-severity flaw (CVSS 8.8) affecting plenti. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Plenti <= 0.7.16 is vulnerable to code execution. Users uploading '.svelte' files with the /postLocal endpoint can define the file name as javascript codes. The server executes the uploaded file name in host, and cause code execution.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-94
Published	2025-03-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: plenti

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-03-12 16:15 UTCPublished CVE record published
2026-06-17 09:01 UTCUpdated Record last modified

plenti plenti UPGRADE

Affected: < 0.7.17

Fixed in: 0.7.17

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy plenti || rpm -q plenti || plenti --version

2. UPGRADE to 0.7.17 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade plenti

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade plenti

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-2025-26260?

plenti: upgrade to 0.7.17. Exact commands for each OS are on this page.

Is CVE-2025-26260 being exploited?

CVE-2025-26260 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-2025-26260 affect?

CVE-2025-26260 affects plenti. Severity is high (CVSS 8.8). Plenti <= 0.7.16 is vulnerable to code execution. Users uploading '.svelte' files with the /postLocal endpoint can define the file name as javascript codes. The server executes the uploaded file name in host, and cause code execution.

How urgent is CVE-2025-26260?

Priority 50/100. High severity; Public exploit reference

Related CVEs

CVE-2024-49381 HIGH 7.5 UPGRADE Plenti, a static site generator, has an arbitrary file deletion vulnerability in versions prior to 0.7.2
CVE-2024-49380 HIGH 7.5 UPGRADE Plenti, a static site generator, has an arbitrary file write vulnerability in versions prior to 0.7.2

References

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