Myhoard logs backup encryption key in plain text

published 2025-12-18 10 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-204404

cvss: 7.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits: 0; none known

MyHoard is a daemon for creating, managing and restoring MySQL backups. Starting in version 1.0.1 and prior to version 1.3.0, in some cases, myhoard logs the whole backup info, including the encryption key. Version 1.3.0 fixes the issue. As a workaround, direct logs into /dev/null.

Patch / fix

fixed in 1 links 1

aiven myhoard 1.3.0

github.com/Aiven-Open/myhoard@fac8979 commit

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 10 mo ago (2025-12-18)

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Aiven-Open myhoard

Classification

Weakness

CWE-402 Transmission of Private Resources into a New Sphere

References

Sources

CVE List CVE-2025-67745
NVD CVE-2025-67745

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary