CVE-2026-69153
CVE-2026-69153: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium5.3
Medium [CVE-2026-69153] Information disclosure via crafted sourceMappingURL
CVE-2026-69153Source published Source updated
PostCSS takes a CSS file and provides an API to analyze and modify its rules by transforming the rules into an Abstract Syntax Tree. Prior to 8.5.19, if from is unset, an attacker can cause PreviousMap.loadFile() to read an unintended source-map file by supplying an absolute or directory-traversal sourceMappingURL. The resulting map’s sources and sourcesContent may then be exposed to the application. This issue is fixed in version 8.5.19. A flaw was found in PostCSS. A remote attacker can exploit this vulnerability by providing a specially crafted sourceMappingURL when a specific configuration (the 'from' parameter) is not set. This can cause the application to read and expose unintended source-map files, potentially revealing sensitive information about the application's source code.…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Streams for Apache Kafka 3.2.1
- multicluster engine for Kubernetes 2.11
- multicluster engine for Kubernetes 2.17
44 more entries in the full advisory.
- Source-reported affected versions
- < 8.5.19
- Source-reported fixed versions
- 8.5.19
- rh-podman-desktop-0:1.1.2-1.el10_2
- postcss
- multicluster-engine/console-mce-rhel9:1786911977
46 more entries in the full advisory.
- Mitigation guidance
- Pass map: false when invoking PostCSS to disable source map auto-loading. This prevents the path traversal from being triggered, though it removes source map support entirely.
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