CVE-2025-59334CWE-347

Linkr allows manifest tampering leading to arbitrary file injection

Critical · published September 16, 2025

CVSS v3.1
9.7
EPSS
0%
Percentile
35.9
In the wild
Unconfirmed
What it is

🔥 A crafty .linkr manifest can turn your file downloads into a disaster! With versions up to 2.0.0, an attacker could sneak in malicious URLs, leading to potential remote code execution! ⚠️ Think of this like a pizza delivery service that accepts orders without checking the source—if someone sends in a fake order with toppings you didn’t want, you’ll end up with a pizza topped with who-knows-what instead of your favorite! This vulnerability could lead to an attacker downloading and executing any file on your system, with absolutely devastating consequences. If you run the extract command on a compromised manifest, you might unwittingly install malware or harmful scripts, creating an open invitation for further attacks on your system!

Put simply

Think of this like a pizza delivery service that accepts orders without checking the source—if someone sends in a fake order with toppings you didn’t want, you’ll end up with a pizza topped with who-knows-what instead of your favorite! CVE-2025-59334 allows an attacker to modify .linkr manifests without verification, leading to arbitrary file injections during the download process. The exploit hinges on the absence of integrity checks in versions through 2.0.0.

What to do

This vulnerability could lead to an attacker downloading and executing any file on your system, with absolutely devastating consequences. If you run the extract command on a compromised manifest, you might unwittingly install malware or harmful scripts, creating an open invitation for further attacks on your system! Update Linkr to version 2.0.1 or later to enable manifest integrity checks which compare checksums to ensure authenticity. Until then, stick to trusted .linkr manifests and verify their integrity manually before use—better safe than sorry! You've got this! By following these steps, you'll protect your system and keep those sneaky attacks at bay! 🛡️

The record
Technical detail
CVSS v3.1
9.7 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00427 · 35.9th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2025-09-16T16:48Z
EPSS history
Timeline
  • 16 SEP 16:48Z
    Linkr allows manifest tampering leading to arbitrary file injection
    cvelistv5