CVE-2026-29181: OpenTelemetry-Go multi-value `baggage` header extraction causes excessive allocations (remote dos amplification)

Overview

Severity

High (CVSS 7.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U

Exploit Status

Not Exploited

Patch Tuesday

2026-Apr

Released

2026-04-11

EPSS Score

0.05% (percentile: 16.4%)

Affected Products (11)

Other

• 21177-17084
• 20986-17084
• 20988-17084
• 20989-17084
• 21180-17084
• 20991-17084
• 21181-17086
• 21182-17084
• 20997-17084
• 21007-17084
• 21127-17084

Revision History

• 2026-04-11: Information published.