CVE-2026-41483: OpenTelemetry.Resources.Azure is the .NET resource detector for Azure environments

Q: How do I fix CVE-2026-41483?

opentelemetry.resources.azure: upgrade to newer than 1.15.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-41483 being exploited?

CVE-2026-41483 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-41483 affect?

CVE-2026-41483 affects opentelemetry.resources.azure. Severity is medium (CVSS 5.9). OpenTelemetry.Resources.Azure is the .NET resource detector for Azure environments. In versions 1.15.0-beta.1 and earlier, the AzureVmMetaDataRequestor class makes HTTP requests to the Azure VM instance metadata service and reads the respon

Q: How urgent is CVE-2026-41483?

Priority 32/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.9REMOTEUPGRADE

CVE-2026-41483 is a medium-severity flaw (CVSS 5.9) affecting opentelemetry.resources.azure. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OpenTelemetry.Resources.Azure is the .NET resource detector for Azure environments. In versions 1.15.0-beta.1 and earlier, the AzureVmMetaDataRequestor class makes HTTP requests to the Azure VM instance metadata service and reads the response body into memory without any size limit. An attacker who controls the configured endpoint, or who can intercept traffic to it via a man-in-the-middle attack, can return an arbitrarily large response body. Th

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-770
Published	2026-05-06
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: opentelemetry

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-06 22:16 UTCPublished CVE record published
2026-10-26 19:10 UTCUpdated Record last modified

opentelemetry opentelemetry.resources.azure UPGRADE

Affected: <= 1.15.0

Fixed in: newer than 1.15.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy opentelemetry.resources.azure || rpm -q opentelemetry.resources.azure || opentelemetry.resources.azure --version

2. UPGRADE to newer than 1.15.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade opentelemetry.resources.azure

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade opentelemetry.resources.azure

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-41483?

opentelemetry.resources.azure: upgrade to newer than 1.15.0. Exact commands for each OS are on this page.

Is CVE-2026-41483 being exploited?

CVE-2026-41483 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-41483 affect?

CVE-2026-41483 affects opentelemetry.resources.azure. Severity is medium (CVSS 5.9). OpenTelemetry.Resources.Azure is the .NET resource detector for Azure environments. In versions 1.15.0-beta.1 and earlier, the AzureVmMetaDataRequestor class makes HTTP requests to the Azure VM instance metadata service and reads the respon

How urgent is CVE-2026-41483?

Priority 32/100. Remotely exploitable, no login, no user action

Software pages

Azure vulnerabilities

References

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