# go.opentelemetry.io/otel/sdk (Go) vulnerabilities

4 known vulnerabilities (2 high, 1 medium, 1 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://pkg.go.dev/go.opentelemetry.io/otel/sdk

## Advisories (4)

### [CVE-2026-81869](https://cve.now/CVE-2026-81869): OpenTelemetry-Go: UTF-8 replacement rune bypasses attribute length truncation

- Severity: Medium 5.1
- Published: Sep 16, 2026
- Affected: from 1.10.0, fixed in 1.33.0.

### [CVE-2026-81870](https://cve.now/CVE-2026-81870): OpenTelemetry-Go: Exporter config logging may leak endpoint URLs in info logs

- Severity: Low 2.0
- Published: Sep 16, 2026
- Affected: from 1.5.0, fixed in 1.45.0.

### [CVE-2026-39883](https://cve.now/CVE-2026-39883): OpenTelemetry-Go has an incomplete fix for CVE-2026-24051: BSD kenv command not using absolute path enables PATH hijacking

- Severity: High 7.3
- Published: Apr 8, 2026
- Affected: from 1.15.0, fixed in 1.43.0.

### [CVE-2026-24051](https://cve.now/CVE-2026-24051): OpenTelemetry-Go Affected by Arbitrary Code Execution via PATH Hijacking

- Severity: High 7.0
- Published: Feb 2, 2026
- Affected: from 1.21.0, fixed in 1.40.0.

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/go/go.opentelemetry.io/otel/sdk
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.