Vaelsys VaelsysV4 Web interface vgrid_server.php weak hash
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-327.
Summary
A security flaw has been discovered in Vaelsys VaelsysV4 up to 5.1.0/5.4.0. This affects an unknown part of the file /grid/vgrid_server.php of the component Web interface. Performing a manipulation of the argument xajaxargs results in use of weak hash. The attack is possible to be carried out remotely. The complexity of an attack is rather high. It is indicated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. Upgrading to version 5.1.1 and 5.4.1 is able to mitigate this issue. Upgrading the affected component is recommended.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA VaelsysV4 (Vaelsys) Fixed in 5.1.1, 5.4.1
Timeline
- 2026-10-02 Threatist record created from CVE-2025-8260
- 2026-10-03 Alias added: GHSA-8rhv-2p84-6g62
References
More Vaelsys vulnerabilities
- TI-2026-02544 Vaelsys HTTP POST Request tree_server.php os command injection CVSS 4.0MEDIUM 6.9
- TI-2025-07561 Vaelsys VaelsysV4 User Creation vgrid_server.php improper authorization CVSS 4.0MEDIUM 6.9
- TI-2025-07559 Vaelsys VaelsysV4 Web interface vgrid_server.php execute_DataObjectProc os command injection CVSS 4.0MEDIUM 6.9
Sources
- CVE-2025-8260 · CVE Program
- CVE-2025-8260 · NVD
- FIRST EPSS
- GHSA-8rhv-2p84-6g62 · GitHub Advisory Database · CC BY 4.0
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