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Red Hat Image Builder: Unauthorized Image Access Risk

published 8 months ago

Summary

An issue was found in Red Hat Image Builder that could allow an attacker to gain unauthorized access to images. This is a serious security risk because it could potentially allow malicious users to access confidential data. To mitigate this issue, apply the available update to your system.

What to do

Update redhat image-builder to version 0:31-4.el10_1.
Update redhat image-builder-debuginfo to version 0:31-4.el10_1.
Update redhat image-builder-debugsource to version 0:31-4.el10_1.

Affected software

Ecosystem	Vendor	Product	Affected versions
Red Hat:enterprise_linux:10.1	redhat	image-builder	< 0:31-4.el10_1 Fix: upgrade to 0:31-4.el10_1
Red Hat:enterprise_linux:10.1	redhat	image-builder-debuginfo	< 0:31-4.el10_1 Fix: upgrade to 0:31-4.el10_1
Red Hat:enterprise_linux:10.1	redhat	image-builder-debugsource	< 0:31-4.el10_1 Fix: upgrade to 0:31-4.el10_1

Original advisory text

Red Hat Security Advisory: image-builder security update

References

https://access.redhat.com/errata/RHSA-2026:3840 Vendor Advisory
https://access.redhat.com/security/updates/classification/#important Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2418462 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2434432 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2437111 Third Party Advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3840.j... Vendor Advisory
https://access.redhat.com/security/cve/CVE-2025-61726 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-61726 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-61726 Vendor Advisory
https://go.dev/cl/736712 Third Party Advisory
https://go.dev/issue/77101 Third Party Advisory
https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc Third Party Advisory
https://pkg.go.dev/vuln/GO-2026-4341 Vendor Advisory
https://access.redhat.com/security/cve/CVE-2025-61729 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-61729 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-61729 Vendor Advisory
https://go.dev/cl/725920 Third Party Advisory
https://go.dev/issue/76445 Third Party Advisory
https://groups.google.com/g/golang-announce/c/8FJoBkPddm4 Third Party Advisory
https://pkg.go.dev/vuln/GO-2025-4155 Vendor Advisory
https://access.redhat.com/security/cve/CVE-2025-68121 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-68121 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-68121 Vendor Advisory
https://go.dev/cl/737700 Third Party Advisory
https://go.dev/issue/77217 Third Party Advisory
https://groups.google.com/g/golang-announce/c/K09ubi9FQFk Third Party Advisory
https://pkg.go.dev/vuln/GO-2026-4337 Vendor Advisory

Fix within

Internet-facing 14 days

Internal 60 days

Not known to be exploited
Can be exploited automatically (estimated)
Gives an attacker partial control (estimated)

Severity

7.5 High

Timeline

Published5 Mar 2026

Updated7 Mar 2026

First seen6 Mar 2026

Sources

RHSA-2026:3840 · OSV

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