What is CVE-2026-35253?

CVE-2026-35253 is a medium-severity vulnerability in Oracle Macaron, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2026-05-06.

How severe is CVE-2026-35253?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Open Redirect in Oracle Macaron

CVE-2026-35253

Vulnerability in the Oracle Macoron Tool product of Oracle Open Source Projects. The supported versions that is affected is v0.22.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Macaron Tool. Successful attacks of this vulnerability can result in Oracle Macaron Tool failing host address validation.

Vulnerability class: Open Redirect

Published 2026-05-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (4.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

Oracle Macaron — versions 0.22.0
Oracle Macoron — versions 0.22.0
Oracle Corporation Macaron Tool Of Open Source Projects — versions v0.22.0

Weakness classification (CWE)

References

www.oracle.com/security-alerts/all-oracle-cves-outside-other-oracle-public-docu… (vendor-advisory, Not Applicable)

Frequently asked questions

What is CVE-2026-35253?: CVE-2026-35253 is a medium-severity vulnerability in Oracle Macaron, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2026-05-06.
How severe is CVE-2026-35253?: Medium severity. CVSS v3 base score is 4.7 out of 10.