CVE-2026-81869Published

OpenTelemetry-Go: UTF-8 replacement rune bypasses attribute length truncation

cve-program · CVE-2026-81869

Published

opentelemetry-go

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "open-telemetry",
                    "product": "opentelemetry-go",
                    "versions": [
                        {
                            "version": ">= 1.10.0, < 1.33.0",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-81260

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Sep 16, 2026, 8:41:15 PM

dateUpdated: Sep 17, 2026, 2:15:51 PM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-81869

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Awaiting Analysis

Weakness classifications: CWE-176 · CWE-400

Original publisher date fields

published: 2026-09-16T21:17:22.180

lastModified: 2026-09-30T17:43:24.057

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-p9f8-wvj8-2fg8

Published

go.opentelemetry.io/otel/sdk

SEMVER · introduced 1.10.0 → fixed 1.33.0

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GO-2026-6616

Published

go.opentelemetry.io/otel/sdk

SEMVER · introduced 1.10.0 → fixed 1.33.0

Original source record · Cite this exact observation · Complete original publisher JSON