RHSA-2026:59560
Vulnerability from csaf_redhat - Published: 2026-08-25 20:24 - Updated: 2026-08-26 04:27Summary
Red Hat Security Advisory: osbuild-composer security update
Severity
Important
Notes
Topic: An update for osbuild-composer is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for local usage, it can also upload images directly to cloud. It is compatible with composer-cli and cockpit-composer clients.
Security Fix(es):
* golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via HTML parsing bypass (CVE-2026-27136)
* golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting (CVE-2026-25681)
* golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via unexpected HTML tree rendering (CVE-2026-42502)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
A flaw was found in golang.org/x/net/html. A remote attacker could exploit this vulnerability by providing specially crafted HTML. When this arbitrary HTML is parsed and rendered, it can result in an unexpected HTML tree, bypassing input sanitization. This can be leveraged to execute Cross-Site Scripting (XSS) attacks, potentially leading to arbitrary code execution in applications that use the affected component.
8.1 (High)
Affected products
Fixed
33 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.src | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-debuginfo-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-debuginfo-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-debuginfo-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-debuginfo-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debuginfo-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debuginfo-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debuginfo-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debuginfo-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debugsource-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debugsource-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debugsource-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debugsource-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-tests-debuginfo-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-tests-debuginfo-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-tests-debuginfo-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-tests-debuginfo-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-debuginfo-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-debuginfo-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-debuginfo-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-debuginfo-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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Threats
Impact
Important
A flaw was found in golang.org/x/net/html. When arbitrary HTML is parsed and then rendered, it can result in an unexpected HTML tree. This allows an attacker to bypass HTML sanitization mechanisms, leading to Cross-Site Scripting (XSS) attacks in applications. Such attacks can result in information disclosure or arbitrary code execution.
8.1 (High)
Affected products
Fixed
33 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-debuginfo-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-debuginfo-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-debuginfo-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-debuginfo-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debuginfo-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debuginfo-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debuginfo-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debuginfo-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debugsource-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debugsource-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debugsource-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debugsource-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-tests-debuginfo-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-tests-debuginfo-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-tests-debuginfo-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-tests-debuginfo-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-debuginfo-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-debuginfo-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-debuginfo-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-debuginfo-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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Threats
Impact
Important
A flaw was found in golang.org/x/net/html. This vulnerability allows an attacker to manipulate how HTML is processed and displayed. By providing specially crafted HTML, an attacker can cause an unexpected structure in the rendered output. This can lead to Cross-Site Scripting (XSS) attacks, where malicious scripts are executed in a user's web browser, potentially compromising user data or taking control of their session.
6.1 (Medium)
Affected products
Fixed
33 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.src | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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|
| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-debuginfo-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-debuginfo-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-debuginfo-0:132.2-11.el9_6.s390x | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-core-debuginfo-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
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Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debuginfo-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debuginfo-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
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Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debuginfo-0:132.2-11.el9_6.s390x | — |
Vendor Fix
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Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debuginfo-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debugsource-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debugsource-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
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Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debugsource-0:132.2-11.el9_6.s390x | — |
Vendor Fix
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Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-debugsource-0:132.2-11.el9_6.x86_64 | — |
Vendor Fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-tests-debuginfo-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-tests-debuginfo-0:132.2-11.el9_6.ppc64le | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-tests-debuginfo-0:132.2-11.el9_6.s390x | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-tests-debuginfo-0:132.2-11.el9_6.x86_64 | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-0:132.2-11.el9_6.aarch64 | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-0:132.2-11.el9_6.ppc64le | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-0:132.2-11.el9_6.s390x | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-0:132.2-11.el9_6.x86_64 | — |
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-debuginfo-0:132.2-11.el9_6.aarch64 | — |
Vendor Fix
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Workaround
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-debuginfo-0:132.2-11.el9_6.ppc64le | — |
Vendor Fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-debuginfo-0:132.2-11.el9_6.s390x | — |
Vendor Fix
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| Unresolved product id: AppStream-9.6.0.Z.EUS:osbuild-composer-worker-debuginfo-0:132.2-11.el9_6.x86_64 | — |
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Threats
Impact
Moderate
References
28 references
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Important"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "An update for osbuild-composer is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
"title": "Topic"
},
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"id": "CWE-79",
"name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
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"text": "2480761"
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{
"category": "description",
"text": "A flaw was found in golang.org/x/net/html. A remote attacker could exploit this vulnerability by providing specially crafted HTML. When this arbitrary HTML is parsed and rendered, it can result in an unexpected HTML tree, bypassing input sanitization. This can be leveraged to execute Cross-Site Scripting (XSS) attacks, potentially leading to arbitrary code execution in applications that use the affected component.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This Important vulnerability in `golang.org/x/net/html` could enable remote attackers to execute Cross-Site Scripting (XSS) attacks, potentially leading to arbitrary code execution. The flaw allows specially crafted HTML to bypass input sanitization during parsing and rendering. Red Hat products are affected if they process untrusted HTML content using the vulnerable component without additional output encoding or robust content security policies.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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{
"cve": "CVE-2026-27136",
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{
"category": "description",
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"title": "Vulnerability description"
},
{
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"text": "golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via HTML parsing bypass",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability in `golang.org/x/net/html` is rated as Important. It allows for Cross-Site Scripting (XSS) attacks by enabling an attacker to bypass HTML sanitization mechanisms when arbitrary HTML is parsed and rendered. This can lead to information disclosure or arbitrary code execution in affected applications. Exploitation typically requires user interaction, where a user processes specially crafted malicious HTML content.",
"title": "Statement"
},
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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{
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"title": "Vulnerability description"
},
{
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"text": "golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via unexpected HTML tree rendering",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "A flaw in golang.org/x/net/html can lead to Cross-Site Scripting (XSS) in applications that parse and render untrusted HTML, even with sanitization attempts. This is due to an unexpected HTML tree structure, allowing malicious scripts to execute in a user\u0027s browser.",
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},
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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"details": "Applications utilizing `golang.org/x/net/html` should implement robust sanitization of all untrusted HTML input before rendering to prevent the creation of unexpected HTML structures that could facilitate XSS attacks. If an application does not require rendering arbitrary HTML, it should avoid processing such input.",
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{
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via unexpected HTML tree rendering"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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