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01 Record

CVE-2026-49449

Joplin: KaTeX `trust:true` enables URL-allowlist bypass leading to NTLMv2 credential theft via UNC path on Windows

LowPUBLISHEDCNA: GitHub_M
CNA base score2.5 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

02 Description

Joplin: KaTeX `trust:true` enables URL-allowlist bypass leading to NTLMv2 credential theft via UNC path on Windows

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Not recorded
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-09-21 20:52Z1 HR AGO
Last updated
2026-09-21 20:52Z1 HR AGO
Reserved
2026-05-30
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Low (CVSS 2.5)
CNA CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Weaknesses
  • CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
  • CWE-522Insufficiently Protected CredentialsClass
  • CWE-829Inclusion of Functionality from Untrusted Control SphereBase
Data version
5.2
Document digest
aa9d82e8e470c254c6ccf732be048d4e723b01337a8550ea1f71604b0bdf84b1

05 Affected products

VendorProductVersionsPlatforms
laurent22joplin>= 1.4.0, < 3.7.2

06 References