# CVE-2026-6873: python-django: An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15

CVE-2026-6873 is fixed in 2 products on 1 platform, first by SUSE-SU-2026:2318-1, released June 9, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-6873
- Priority: Routine
- CVSS: 4.3 (medium)
- EPSS: 0.0025
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 3, 2026

## Description

An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15. `django.http.HttpRequest.get_signed_cookie` in Django uses a non-injective salt derivation (concatenating the cookie name and salt argument), which allows a remote attacker to use a cookie in a context different from the one where it was signed, via distinct `(name, salt)` pairs that produce the same concatenation. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Peng Zhou for reporting this issue.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | python-Django opensuse-leap 16.0 | 5.2.4-bp160.9.1 | [OPENSUSE-SU-2026:20937-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20937-1.md) | Jun 10, 2026 |
| Linux | python-Django sles 15.7 | 4.2.11-150600.3.59.1 | [SUSE-SU-2026:2318-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-2318-1.md) | Jun 9, 2026 |
| Linux | python-django Debian 14 | 3:5.2.15-1 | [DEBIAN-CVE-2026-6873](https://patchblox.com/security/data/fix/linux/debian-cve-2026-6873.md) | Jun 25, 2026 |

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Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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