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2 vulnerabilities by Jumis Pro SIA
CVE-2026-59105 (GCVE-0-2026-59105)
Vulnerability from nvd – Published: 2026-11-06 14:09 – Updated: 2026-11-06 15:21
VLAI
EPSS
VEX
Title
Universal sysadmin credential vulnerability in Jumis
Summary
Jumis (formerly Tildes Jumis) creates and uses a Microsoft SQL Server login named ##Tilde_JumisAdmin## whose password is derived deterministically from a single non-secret input - the SQL Server name (@@servername). The derivation algorithm is hard-coded in the client application and is identical across every installation; it contains a hard-coded secret key for entropy. Because the only input (the server name) is not secret - the instance suffix is hard-coded and the host name is discoverable via the SQL Server Browser service (UDP 1434), the TDS pre-login response, or DNS/NetBIOS - any party able to reach a Jumis SQL Server can compute the password offline and authenticate. The ##Tilde_JumisAdmin## login is a member of the sysadmin server role. Successful authentication therefore grants full administrative control of the SQL Server instance and read/write access to every customer's accounting database hosted on it. The on-premise server installation also programmatically enables xp_cmdshell during routine operation, so sysadmin access escalates to operating-system command execution on the database server.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-06 14:55 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://offseq.com/en/research/jumis-cve-2026-59105/ | third-party-advisory |
| https://www.mansjumis.lv/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Jumis Pro SIA | Jumis |
Affected:
0 , < TJ7.0.141.36
(custom)
|
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CVE-2026-59105 (GCVE-0-2026-59105)
Vulnerability from cvelistv5 – Published: 2026-11-06 14:09 – Updated: 2026-11-06 15:21
VLAI
EPSS
VEX
Title
Universal sysadmin credential vulnerability in Jumis
Summary
Jumis (formerly Tildes Jumis) creates and uses a Microsoft SQL Server login named ##Tilde_JumisAdmin## whose password is derived deterministically from a single non-secret input - the SQL Server name (@@servername). The derivation algorithm is hard-coded in the client application and is identical across every installation; it contains a hard-coded secret key for entropy. Because the only input (the server name) is not secret - the instance suffix is hard-coded and the host name is discoverable via the SQL Server Browser service (UDP 1434), the TDS pre-login response, or DNS/NetBIOS - any party able to reach a Jumis SQL Server can compute the password offline and authenticate. The ##Tilde_JumisAdmin## login is a member of the sysadmin server role. Successful authentication therefore grants full administrative control of the SQL Server instance and read/write access to every customer's accounting database hosted on it. The on-premise server installation also programmatically enables xp_cmdshell during routine operation, so sysadmin access escalates to operating-system command execution on the database server.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-06 14:55 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://offseq.com/en/research/jumis-cve-2026-59105/ | third-party-advisory |
| https://www.mansjumis.lv/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Jumis Pro SIA | Jumis |
Affected:
0 , < TJ7.0.141.36
(custom)
|
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