What is CVE-2026-31262?

CVE-2026-31262 is a medium-severity vulnerability in Altenar Sportsbook, classified under Information Disclosure. CVSS score: 6.1/10. Published 2026-04-10.

How severe is CVE-2026-31262?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Information disclosure in Altenar Sportsbook

CVE-2026-31262

Cross Site Scripting vulnerability in Altenar Sportsbook Software Platform (SB2) v.2.0 allows a remote attacker to obtain sensitive information and execute arbitrary code via the URL parameter

Vulnerability class: Information Disclosure

Published 2026-04-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (29.4th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.4% 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: 0.004 · change: +0.001

Affected products

Altenar Sportsbook — versions 2.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

github.com/nikolas-ch/CVEs/tree/main/Altenar_SportsBook_Platform_SB2/ORtoXSS (Exploit, Issue Tracking)
github.com/nikolas-ch/CVEs/blob/main/Altenar_SportsBook_Platform_SB2/ORtoXSS/OR… (Third Party Advisory)

Frequently asked questions

What is CVE-2026-31262?: CVE-2026-31262 is a medium-severity vulnerability in Altenar Sportsbook, classified under Information Disclosure. CVSS score: 6.1/10. Published 2026-04-10.
How severe is CVE-2026-31262?: Medium severity. CVSS v3 base score is 6.1 out of 10.