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CVE-2026-116694

6.3 medium SSVC exploitation: none Published
NVD · CVE.org

OpenTelemetry Python provides the Python API and SDK for OpenTelemetry. Prior to 1.45.0, JaegerPropagator.extract() in opentelemetry-propagator-jaeger processes inbound uberctx-* baggage values without entry, per-entry byte, or total-byte limits. Services that enable the optional Jaeger propagator can perform unnecessary CPU work and short-lived heap allocations when an untrusted carrier supplies numerous or oversized values, contributing to denial of service when transport-level limits do not constrain the input. Common default Python HTTP server limits reduce the practical impact, while custom getters, non-HTTP transports, or raised header limits increase exposure. This issue is fixed in version 1.45.0.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 8

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-28 16:13
  2. StatusPublished → Awaiting AnalysisNVD modified 2026-10-28 17:18
  3. StatusAwaiting Analysis → PublishedNVD modified 2026-10-28 16:13
  4. StatusPublished → Awaiting AnalysisNVD modified 2026-10-28 15:21
  5. StatusReceived → PublishedNVD modified 2026-10-27 20:09
  6. StatusPublished → ReceivedNVD modified 2026-10-27 21:18
  7. CVSS6.3 (v4.0, CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N) → 6.3 (v4.0, CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)NVD modified 2026-10-27 21:18
  8. First seenCVSS 6.3 · open-telemetryNVD modified 2026-10-27 20:09

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4