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Vulnerability · Published Apr 15, 2026 · Assigned by GRAFANA

CVE-2025-41118Sensitive COS `SecretKey` exposed in plaintext via configuration API due to missing type protection

Critical 9.1

In plain English

A critical-severity incorrect permission assignment in Pyroscope from Grafana. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.4%top 64.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Pyroscope is an open-source continuous profiling database. The database supports various storage backends, including Tencent Cloud Object Storage (COS). If the database is configured to use Tencent COS as the storage backend, an attacker could extract the secret_key configuration value from the Pyroscope API. To exploit this vulnerability, an attacker needs direct access to the Pyroscope API. We highly recommend limiting the public internet exposure of all our databases, such that they are only accessible by trusted users or internal systems. This vulnerability is fixed in versions: 1.15.x: 1.15.2 and above. 1.16.x: 1.16.1 and above. 1.17.x: 1.17.0 and above (i.e. all versions). Thanks to Théo Cusnir for reporting this vulnerability to us via our bug bounty program.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Gogithub.com/grafana/pyroscope1.15.2GHSA-m9hq-h476-h2g8
Gogithub.com/grafana/pyroscope1.16.1GHSA-m9hq-h476-h2g8
Gogithub.com/grafana/pyroscope1.15.2, 1.16.1GO-2026-5501

Affected products (as reported)

VendorProductVersions
Grafana Pyroscope 1.0.0 – before 1.16.0

Weakness: CWE-732, CWE-201 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References