A vulnerability was found in tjake Jlama up to 0.8.4/0.9.0-beta. Affected by this vulnerability is the function SafeTensorIndex.loadWeights of the file jlama-core/src/main/java/com/github/tjake/jlama/safetensors/SafeTensorIndex.java. Performing a manipulation of the argument weight_map results in path traversal.
The attack may be initiated remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 7
https://github.com/tjake/Jlama/
cna@vuldb.com
https://github.com/tjake/Jlama/issues/211
cna@vuldb.com
https://github.com/user-attachments/files/33599742/poc.zip
cna@vuldb.com
https://vuldb.com/cve/CVE-2026-126995
cna@vuldb.com
https://vuldb.com/submit/1040636
cna@vuldb.com
https://vuldb.com/vuln/436294
cna@vuldb.com
https://vuldb.com/vuln/436294/cti
cna@vuldb.com