# CVE-2026-102938: virtualenv writes prompt values into pyvenv.cfg without sanitizing line boundaries, allowing configuration injection

CVE-2026-102938 is fixed in 3 products on 1 platform, first by SUSE-SU-2026:4652-1, released November 7, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-102938
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0015
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 3, 2026
- Weakness: Improper Neutralization of CRLF Sequences ('CRLF Injection')
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102938

## Description

This update for python-virtualenv fixes the following issues:  - CVE-2026-102930: missing hash verification for network-fetched wheels can allow wheel tampering (bsc#1283904). - CVE-2026-102938: crafted prompt values with line boundaries can cause configuration key injection (bsc#1283890).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | python-virtualenv opensuse-leap 16.0 | 20.29.3-160000.4.1 | [OPENSUSE-SU-2026:22100-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22100-1.md) | Nov 7, 2026 |
| Linux | python-virtualenv sles 15.6 | 20.22.0-150400.9.12.1 | [SUSE-SU-2026:4652-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4652-1.md) | Nov 7, 2026 |
| Linux | python-virtualenv sles 15.7 | 20.22.0-150400.9.12.1 | [SUSE-SU-2026:4652-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4652-1.md) | Nov 7, 2026 |
| Linux | python-virtualenv sles 16.0 | 20.29.3-160000.4.1 | [SUSE-SU-2026:24243-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24243-1.md) | Nov 7, 2026 |
| Linux | python3-virtualenv amzn 2023 | 20.4.0-3.amzn2023.0.5 | [ALAS2023-2026-3295](https://patchblox.com/security/data/fix/linux/alas2023-2026-3295.md) | Nov 7, 2026 |
| Linux | python3.13-virtualenv amzn 2023 | 20.21.1-1.amzn2023.0.4 | [ALAS2023-2026-3296](https://patchblox.com/security/data/fix/linux/alas2023-2026-3296.md) | Nov 7, 2026 |

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Data as of 2026-11-09T19:38:12Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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