Input Validation Flaw in Weblate SSH Management Console
CVE-2026-24126

6.6MEDIUM

Key Information:

Vendor

Weblateorg

Status
Weblate
Vendor
CVE Published:
18 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-24126?

Weblate, a web-based localization tool, has a security vulnerability in its SSH management console prior to version 5.16.0. The console does not correctly validate user input when adding SSH host keys, which can lead to an argument injection vulnerability, allowing potentially unauthorized actions through ssh-add. Users are encouraged to upgrade to version 5.16.0 or restrict access to the management console as a mitigation measure.

Affected Version(s)

weblate < 5.16.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

Weblate-CVE-2026-24126
Created by alexb616

References

https://github.com/WeblateOrg/weblate/security/advisories...
x_refsource_CONFIRM
https://github.com/WeblateOrg/weblate/pull/17722
x_refsource_MISC
https://github.com/WeblateOrg/weblate/commit/78773cc141ce...
x_refsource_MISC

CVSS V3.1

Score:
6.6
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.