Cups: openprinting cups: remaining case-insensitive username matching in scheduler side paths (cve-2026-27447 follow-up)
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| Red Hat | Red Hat Hardened Images | affected |
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| Red Hat | Red Hat Enterprise Linux 10 | affected | — | ||||||
| Red Hat | Red Hat Enterprise Linux 6 | affected | — | ||||||
| Red Hat | Red Hat Enterprise Linux 7 | affected | — | ||||||
| Red Hat | Red Hat Enterprise Linux 8 | affected | — | ||||||
| Red Hat | Red Hat Enterprise Linux 9 | affected | — | ||||||
| Red Hat | Red Hat Enterprise Linux 9 | affected | — | ||||||
| Red Hat | Red Hat OpenShift Container Platform 4 | affected | — |
No data.
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Openprinting | Cups |
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| Redhat | Enterprise Linux |
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| Redhat | Hardened Images |
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| Redhat | Openshift Container Platform |
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Vendor Workaround
Red Hat is not aware of a practical temporary workaround that fully mitigates this issue or meets Red Hat Product Security's standards for usability, deployment, applicability, or stability. Customers are advised to apply the relevant security updates when/if they become available.
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.328% probability within 30 days)
| Type | Values Removed | Values Added |
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| First Time appeared |
Redhat rhel Els
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| CPEs | cpe:/o:redhat:enterprise_linux:6 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
cpe:/a:redhat:enterprise_linux:10 cpe:/a:redhat:enterprise_linux:8 cpe:/a:redhat:enterprise_linux:9 cpe:/o:redhat:rhel_els:6 cpe:/o:redhat:rhel_els:7 |
| Vendors & Products |
Redhat rhel Els
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| Type | Values Removed | Values Added |
|---|---|---|
| References |
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| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Openprinting
Openprinting cups Redhat hardened Images Redhat openshift Container Platform |
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| Vendors & Products |
Openprinting
Openprinting cups Redhat hardened Images Redhat openshift Container Platform |
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| References |
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| Metrics |
threat_severity
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threat_severity
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| References |
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| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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| Description | Two case-insensitive comparisons on request-derived usernames outside the main authorization path in CUPS's scheduler (printer ACL validation and private-attribute filtering) could allow bypass of username-based access controls in certain configurations. | |
| Title | Cups: openprinting cups: remaining case-insensitive username matching in scheduler side paths (cve-2026-27447 follow-up) | |
| First Time appeared |
Redhat
Redhat enterprise Linux Redhat hummingbird Redhat openshift |
|
| Weaknesses | CWE-178 | |
| CPEs | cpe:/a:redhat:hummingbird:1 cpe:/a:redhat:openshift:4 cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:6 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
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| Vendors & Products |
Redhat
Redhat enterprise Linux Redhat hummingbird Redhat openshift |
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| References |
| |
| Metrics |
cvssV3_1
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