Medium [CVE-2026-97149] unauthorized read of other objects via TempURL and X-Copy-From
This medium-severity Red Hat Linux advisory covers CVE-2026-97149; related products: Red Hat OpenStack Platform 13 (Queens), Red Hat OpenStack Platform 16.2, Red Hat OpenStack Platform 17.1.
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Summary
unauthorized read of other objects via TempURL and X-Copy-From. Red Hat rates this moderate (CVSS 6.5).
Weakness: CWE-358.
Affected products named by the advisory: Red Hat OpenStack Platform 13 (Queens); Red Hat OpenStack Platform 16.2; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0.
- < 2.38.2
Official advisory · high-confidence parse· fetched 2 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 days ago·verify at source
Mitigation checklist
- Until a product update is available, operators can drop the dangerous header in the proxy configuration. In the [filter:tempurl] section, add x-copy-from to the incoming_remove_headers option. Swift then removes the header, and the signed upload does not copy another object. This applies only where the tempurl middleware is enabled. If TempURL is not required, leaving that middleware out of the proxy pipeline also avoids the issue.
Official advisory · high-confidence parse· fetched 2 days ago·verify at source
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