What is CVE-2026-18481?

CVE-2026-18481 is a high-severity vulnerability in AWS Ops Wheel, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2026-07-31.

How severe is CVE-2026-18481?

High severity. CVSS v3 base score is 7.3 out of 10.

XSS in AWS Ops Wheel

CVE-2026-18481

Stored cross-site scripting in the participant URL handling in AWS Ops Wheel before PR #168 might allow an authenticated remote user to steal session tokens and escalate to full administrative control of the deployed instance via a crafted participant_url value containing a dangerous URI scheme. To remediate this issue, users should redeploy from the latest version of aws-ops-wheel.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (20.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.

Affected products

Aws Ops Wheel — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

ff89ba41-3aa1-4d27-914a-91399e9639e5 (vendor-advisory)
ff89ba41-3aa1-4d27-914a-91399e9639e5 (patch)
ff89ba41-3aa1-4d27-914a-91399e9639e5 (third-party-advisory)

Frequently asked questions

What is CVE-2026-18481?: CVE-2026-18481 is a high-severity vulnerability in AWS Ops Wheel, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2026-07-31.
How severe is CVE-2026-18481?: High severity. CVSS v3 base score is 7.3 out of 10.