What is CVE-2026-33506?

CVE-2026-33506 is a high-severity vulnerability in Ory Polis, classified under Improper Neutralization of Alternate XSS Syntax. CVSS score: 8.8/10. Published 2026-03-26.

How severe is CVE-2026-33506?

High severity. CVSS v3 base score is 8.8 out of 10.

XSS in Ory Polis

CVE-2026-33506

Ory Polis, formerly known as BoxyHQ Jackson, bridges or proxies a SAML login flow to OAuth 2.0 or OpenID Connect. Versions prior to 26.2.0 contain a DOM-based Cross-Site Scripting (XSS) vulnerability in Ory Polis's login functionality. The…

EPSS: 0.005 (37.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:L.

Affected products

Ory Polis — versions < 26.2.0

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
security-advisories@github.com (Product, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-33506?: CVE-2026-33506 is a high-severity vulnerability in Ory Polis, classified under Improper Neutralization of Alternate XSS Syntax. CVSS score: 8.8/10. Published 2026-03-26.
How severe is CVE-2026-33506?: High severity. CVSS v3 base score is 8.8 out of 10.