What is CVE-2026-60007?

CVE-2026-60007 is a high-severity vulnerability in Eclipse Milo, classified under Observable Response Discrepancy. CVSS score: 7.4/10. Published 2026-08-04.

How severe is CVE-2026-60007?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Eclipse Milo

CVE-2026-60007

In Eclipse Milo versions 0.6.0 through 1.1.4, username-token processing returns distinguishable errors for invalid RSA PKCS#1 v1.5 padding and other authentication failures, allowing an on-path attacker who captures a victim's `Basic128Rsa15`-encrypted username token to use repeated unauthenticated `ActivateSession` requests as a padding oracle, recover the victim's password, and authenticate with the recovered credentials.

EPSS: 0.004 (32.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Eclipse Milo
Eclipse Foundation Milo — versions 0.6.0

Weakness classification (CWE)

CWE-204 — Observable Response Discrepancy

References

emo@eclipse.org (Patch)
emo@eclipse.org (Issue Tracking, Vendor Advisory)
emo@eclipse.org (Patch, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-60007?: CVE-2026-60007 is a high-severity vulnerability in Eclipse Milo, classified under Observable Response Discrepancy. CVSS score: 7.4/10. Published 2026-08-04.
How severe is CVE-2026-60007?: High severity. CVSS v3 base score is 7.4 out of 10.