Highest advisory severityHigh 1 vendor · 1 advisory
CVE-2026-71191
CVE-2026-71191: 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 severityHigh8.2
High [CVE-2026-71191] S3API presigned URL unsigned header authorization bypass
CVE-2026-71191Source published Source updated
S3API presigned URL unsigned header authorization bypass. Red Hat rates this important (CVSS 8.2). Weakness: CWE-863.
- Related products — impact not confirmed
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- 2.38.0
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- If S3 API compatibility is not required, remove the s3api filter from the proxy-server pipeline in proxy-server.conf. This completely eliminates the attack surface. If S3 API is required, restrict the distribution and scope of presigned PUT URLs as an operational control, and apply the upstream patch when available. There is no configuration-only workaround that fully mitigates this issue while keeping S3 API functionality enabled.
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