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CVE-2026-39031

Description
Lansweeper lsrunase 2.0 and lsencrypt 2.0 use RC4 encryption with a hardcoded 142-byte static key array to encrypt credentials. An 8-character prefix is stored in cleartext alongside the ciphertext. This allows an attacker with local access to recover any encrypted password to plaintext using a single SHA-1 hash and RC4 decryption operation, with no brute force required.

Metadata

CVE ID
CVE-2026-39031
State
PUBLISHED
Assigner
mitre
Reserved
2026-04-06 00:00 UTC
Published
2026-06-26 00:00 UTC
Last updated
2026-06-26 20:43 UTC
Vendor / Product
n/a / n/a
Sources
cve.org  ·  NVD

Severity & Metrics

No CVSS data available.

Affected products (1)
VendorProductPlatformVersions
n/a n/a — n/a
Weakness (CWE)
CWESourceDescription
— cna n/a
References (2)
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