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SUSE docker-stable Important Privilege Bypass Authz Regression 2026-2578-1

suse
Calendar Grey June 23, 2026
Dist Suse Esm H88
Four vulnerabilities addressed in docker-stable update for SUSE. Important patches recommended to ensure system integrity.
An update that solves four vulnerabilities can now be installed.

Summary

## This update for docker-stable fixes the following issues * CVE-2026-33747: github.com/moby/buildkit: malicious frontends can craft API messages that cause files to be written outside of the BuildKit state directory (bsc#1260967). * CVE-2026-33748: github.com/moby/buildkit: insufficient validation of Git URL fragment subdir components may allow access to files outside the checked-out Git repository (bsc#1261078). * CVE-2026-33997: Fixed privilege validation bypass during plugin (bsc#1265907). * CVE-2026-34040: Fixed Authz zero length regression (bsc#1265929). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product:

Topics%20covered

Topics Covered

security advisory SuSE important privilege bypass docker-stable authz regression

References

* bsc#1260967

* bsc#1261078

* bsc#1265907

* bsc#1265929

Cross-

* CVE-2026-33747

* CVE-2026-33748

* CVE-2026-33997

* CVE-2026-34040

CVSS scores:

* CVE-2026-33747 ( SUSE ): 8.6

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2026-33747 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-33747 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-33747 ( NVD ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-33748 ( SUSE ): 8.2

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

* CVE-2026-33748 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

* CVE-2026-33748 ( NVD ): 8.2

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2578-1
Release Date: 2026-06-23T13:12:16Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE important privilege bypass docker-stable authz regression

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