How severe is CVE-2022-26944?

CVE-2022-26944 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-26944 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26944?

CVE-2022-26944 affects Percona Xtrabackup. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26944?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-26944 published?

CVE-2022-26944 was published on 2022-06-02 and last updated on 2026-06-17.

CVE-2022-26944

CVE-2022-26944 is a medium-severity vulnerability in Percona Xtrabackup with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Percona Xtrabackup
Published: 2022-06-02
Last modified: 2026-06-17

Description

Percona XtraBackup 2.4.20 unintentionally writes the command line to any resulting backup file output. This may include sensitive arguments passed at run time. In addition, when --history is passed at run time, this command line is also written to the PERCONA_SCHEMA.xtrabackup_history table. NOTE: this issue exists because of an incomplete fix for CVE-2020-10997.

Frequently asked questions

What is CVE-2022-26944?: Percona XtraBackup 2.4.20 unintentionally writes the command line to any resulting backup file output. This may include sensitive arguments passed at run time. In addition, when --history is passed at run time, this command line is also written to the PERCONA_SCHEMA.xtrabackup_history table. NOTE: this issue exists because of an incomplete fix for CVE-2020-10997.
How severe is CVE-2022-26944?: CVE-2022-26944 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-26944 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26944?: CVE-2022-26944 affects Percona Xtrabackup. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26944?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-26944 published?: CVE-2022-26944 was published on 2022-06-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:percona:xtrabackup:2.4.20:*:*:*:*:*:*:*

More vulnerabilities in Percona Xtrabackup

CVE-2022-25834 — High (CVSS 7.8): In Percona XtraBackup (PXB) through 2.2.24 and 3.x through 8.0.27-19, a crafted filename on the local file system could…
CVE-2020-10997 — Medium (CVSS 6.5): Percona XtraBackup before 2.4.20 unintentionally writes the command line to any resulting backup file output. This may…
CVE-2015-1027 — Medium (CVSS 5.9): The version checking subroutine in percona-toolkit before 2.2.13 and xtrabackup before 2.2.9 was vulnerable to silent…
CVE-2016-6225 — Medium (CVSS 5.9): xbcrypt in Percona XtraBackup before 2.3.6 and 2.4.x before 2.4.5 does not properly set the initialization vector (IV)…
CVE-2013-6394 — Low (CVSS 2.1): Percona XtraBackup before 2.1.6 uses a constant string for the initialization vector (IV), which makes it easier for…

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