What is CVE-2025-8260?

CVE-2025-8260 is a low-severity vulnerability in Vaelsys, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 3.1/10. Published 2025-07-28.

How severe is CVE-2025-8260?

Low severity. CVSS v3 base score is 3.1 out of 10.

Is CVE-2025-8260 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Vaelsys

CVE-2025-8260

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.

Vulnerability class: POODLE (CVE-2014-3566)

Published 2025-07-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Vaelsys — versions 4.1.0
Vaelsys Vaelsysv4 — versions 5.0, 5.1, 5.1.0

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

vuldb.com/vuln/317848 (technical-description, vdb-entry)
vuldb.com/vuln/317848/cti (signature, permissions-required)
vuldb.com/submit/616922 (third-party-advisory)
github.com/waiwai24/0101/blob/main/CVEs/Vaelsys/Unauthorized_Access_Leads_to_Se… (Exploit, Third Party Advisory, exploit)
vaelsys.github.io/security-advisory/advisories/VSEC_V4_2025_07_0002.html (patch)

Frequently asked questions

What is CVE-2025-8260?: CVE-2025-8260 is a low-severity vulnerability in Vaelsys, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 3.1/10. Published 2025-07-28.
How severe is CVE-2025-8260?: Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2025-8260 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.