Allocation of Resources Without Limits or Throttling Affecting go.opentelemetry.io/otel/propagation package, versions >=1.36.0 <1.41.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-GOLANG-GOOPENTELEMETRYIOOTELPROPAGATION-15928420
- published8 Apr 2026
- disclosed7 Apr 2026
- creditOleh Konko
Introduced: 7 Apr 2026
CVE-2026-29181 (opens in a new tab)How to fix?
Upgrade go.opentelemetry.io/otel/propagation to version 1.41.0 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the baggage header extraction process. An attacker can cause excessive CPU and memory allocations by sending numerous baggage header lines, even if each individual value remains within the allowed size limit.