Path Traversal Vulnerability in tjake Jlama Product
CVE-2026-126995

5.3MEDIUM

Key Information:

Vendor

Tjake

Status
Jlama
Vendor
CVE Published:
12 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-126995?

A path traversal vulnerability exists in the tjake Jlama product, specifically within the SafeTensorIndex.loadWeights function. This issue arises when an attacker manipulates the weight_map argument, potentially leading to unauthorized file access on the server. The vulnerability can be exploited remotely, putting systems at risk of unauthorized data exposure and manipulation. Despite early notification to the project maintainers via an issue report, there has been no response or remediation action taken, leaving users potentially vulnerable to exploitation.

Affected Version(s)

Jlama 0.8.0

Jlama 0.8.1

Jlama 0.8.2

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.

CVE-2026-126995 - Proof of Concept

References

https://vuldb.com/vuln/436294
vdb-entrytechnical-description
https://vuldb.com/vuln/436294/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-126995
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dem00000 (VulDB User)
VulDB CNA Team
.