Vulnerabilities

TI-2026-22222 CVE-2026-27878 · GHSA-6xff-cpcq-vpw2

Tempo TraceQL query with exemplar hint could result in unbounded memory usage

LOW 29

A TraceQL query in Grafana Tempo with a large exemplars hint value can cause the Tempo instance to allocate an excessive amount of memory, resulting in an out-of-memory crash.

CVSS 3.1MEDIUM 6.5 Network Low privileges No interaction EPSS 0.00411 Published 2026-06-19 Fixed in 2.8.8, 2.10.2 +1 CWE-400

TI-2026-17501 CVE-2026-21728 · GHSA-p4r4-xvrq-gvmc

Tempo query limit results in unbounded memory allocation

MEDIUM 40

Tempo queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00637 Published 2026-04-24 Partial fix · 2.8.4, 2.9.2 +1 CWE-400

TI-2026-22653 CVE-2026-28377 · GHSA-ffqx-q65f-36jf

S3 SSE-C Encryption Key Exposed in Plaintext via Config Endpoint (CVE-2025-41118 Pattern)

LOW 38

A vulnerability in Grafana Tempo exposes the S3 SSE-C encryption key in plaintext through the /status/config endpoint, potentially allowing unauthorized users to obtain the key used to encrypt trace data stored in S3.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00161 Published 2026-03-26 Partial fix · 2.10.3 CWE-326

Vulnerabilities

Filters

Tempo TraceQL query with exemplar hint could result in unbounded memory usage

Tempo query limit results in unbounded memory allocation

S3 SSE-C Encryption Key Exposed in Plaintext via Config Endpoint (CVE-2025-41118 Pattern)