Grafana Tempo

• CVE-2026-27878 Medium 6.5 Tempo TraceQL query with exemplar hint could result in unbounded memory usage 0.4%
• CVE-2026-21728 High 7.5 Tempo query limit results in unbounded memory allocation 0.6%
• CVE-2026-28377 High 7.5 S3 SSE-C Encryption Key Exposed in Plaintext via Config Endpoint (CVE-2025-41118 Pattern) 0.2%