SCA: security update for OpenTelemetry.Exporter.Instana (GHSA-wfr5-454p-mjc2)

medium Tenable Self-Hosted Container Security Plugin ID 441608

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- The OpenTelemetry.Exporter.Instana exports telemetry to Instana backend. Prior to 1.1.0, the
OpenTelemetry.Exporter.Instana NuGet package does not validate HTTPS/TLS certificates are valid when
sending telemetry to a configured Instana back-end when a proxy is configured using the
INSTANA_ENDPOINT_PROXY environment variable. If a network attacker can Man-in-the-Middle (MitM) the proxy
connection, all OpenTelemetry telemetry data and the Instana API key are exposed to the attacker. This
vulnerability is fixed in 1.1.0. (CVE-2026-44213)

Solution

Update the OpenTelemetry.Exporter.Instana library and its related packages to version 1.1.0 or later.

See Also

https://github.com/advisories/GHSA-wfr5-454p-mjc2

Plugin Details

Severity: Medium

ID: 441608

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 5/9/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.64

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.7

Temporal Score: 5.7

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:N

CVSS Score Source: CVE-2026-44213

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/8/2026

Vulnerability Publication Date: 5/8/2026

Reference Information

CVE: CVE-2026-44213

cwe: CWE-295