# CVE-2026-81870: OpenTelemetry-Go: Exporter config logging may leak endpoint URLs in info logs

CVE-2026-81870 is fixed in 9 products on 1 platform, first by SUSE-SU-2026:24247-1, released November 7, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-81870
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0027
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 19, 2026
- Weakness: Exposure of Sensitive Information to an Unauthorized Actor
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81870

## Description

This update for helm fixes the following issues:  - CVE-2026-63209: github.com/klauspost/compress: signed integer overflow in s2.NewDict() allows an attacker to bypass   repeat index validation and cause a process crash (bsc#1283642). - CVE-2026-81870: OpenTelemetry-Go: Information disclosure via exporter (bsc#1284104). - CVE-2026-85732: oras.land/oras-go/v2: blind SSRF via unvalidated Link header URL in pagination allows internal network   probing (bsc#1281112).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | containerd amzn 2023 | 2.3.7-1.amzn2023.0.1 | [ALAS2023-2026-3273](https://patchblox.com/security/data/fix/linux/alas2023-2026-3273.md) | Nov 7, 2026 |
| Linux | containerd-debuginfo amzn 2023 | 2.3.7-1.amzn2023.0.1 | [ALAS2023-2026-3273](https://patchblox.com/security/data/fix/linux/alas2023-2026-3273.md) | Nov 7, 2026 |
| Linux | containerd-debugsource amzn 2023 | 2.3.7-1.amzn2023.0.1 | [ALAS2023-2026-3273](https://patchblox.com/security/data/fix/linux/alas2023-2026-3273.md) | Nov 7, 2026 |
| Linux | containerd-stress amzn 2023 | 2.3.7-1.amzn2023.0.1 | [ALAS2023-2026-3273](https://patchblox.com/security/data/fix/linux/alas2023-2026-3273.md) | Nov 7, 2026 |
| Linux | containerd-stress-debuginfo amzn 2023 | 2.3.7-1.amzn2023.0.1 | [ALAS2023-2026-3273](https://patchblox.com/security/data/fix/linux/alas2023-2026-3273.md) | Nov 7, 2026 |
| Linux | docker amzn 2023 | 25.0.18-1.amzn2023.0.1 | [ALAS2023-2026-3266](https://patchblox.com/security/data/fix/linux/alas2023-2026-3266.md) | Nov 7, 2026 |
| Linux | docker-debuginfo amzn 2023 | 25.0.18-1.amzn2023.0.1 | [ALAS2023-2026-3266](https://patchblox.com/security/data/fix/linux/alas2023-2026-3266.md) | Nov 7, 2026 |
| Linux | docker-debugsource amzn 2023 | 25.0.18-1.amzn2023.0.1 | [ALAS2023-2026-3266](https://patchblox.com/security/data/fix/linux/alas2023-2026-3266.md) | Nov 7, 2026 |
| Linux | helm opensuse-leap 16.0 | 4.3.0-160000.2.1 | [OPENSUSE-SU-2026:22057-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22057-1.md) | Nov 7, 2026 |
| Linux | helm sles 16.0 | 4.3.0-160000.2.1 | [SUSE-SU-2026:24247-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24247-1.md) | Nov 7, 2026 |

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Data as of 2026-11-10T13:56:55Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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