CVE-2026-107840 Yopass - Denial of Service

Yopass < 14.7.0 contains a denial of service caused by unvalidated use of attacker-controlled HTTP method tokens in Prometheus metrics middleware, letting unauthenticated remote attackers cause memory exhaustion, exploit requires sending arbitrary HTTP methods.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.44% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
9 October 2026
Updated
15 October 2026
Weakness
CWE-400

Vendor fix

Update to version 14.7.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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