django CMS is a content management system powered by Django. Prior to 5.0.8 and in 5.1.0a1, the django CMS page cache in cms/cache/page.py ignores request headers declared by plugins through get_vary_cache_on(). The _page_cache_key function includes the cache prefix, site, language, path, and timezone but not the declared header values. Although set_page_cache adds those names to the response Vary header, get_page_cache retrieves the first stored variant under the same header-agnostic key. When CMS_PAGE_CACHE is enabled and a plugin varies content on a header such as Country-Code, one visitor can receive another visitor’s request-specific content, and an unauthenticated attacker can prime the cache with attacker-chosen content. This issue is fixed in versions 5.0.8 and 5.1.0.
CVE-2026-54625
This medium-severity CVE scores 4.8 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2% (6th percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 4.8
- EG Score
- 4.8MEDIUMmedium confidence
- EG Risk
- 22EG Risk 22/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity48% × 45%Exploitation0% × 40%Automatability0% × 15%CISA SSVC: Track at every mission impact level.Action: A fix is available. Apply it within your standard update timelines. - EPSS PROB
- 0.2%
- EPSS %ILE
- 6th
- KEV
- Not listed
CISA SSVCTrack at every mission impact level.
A fix is available. Apply it within your standard update timelines.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
August 20, 2026
Last Modified
September 18, 2026
Advisory Details (7)
Auto-updated Aug 20, 2026Page cache ignores plugin-declared Vary headers (disclosure & poisoning) · Advisory · django-cms/django-cms · GitHub
Affected: 5.0.8: the page cache now folds the request's values implements
https://github.com/django-cms/django-cms/security/advisories/GHSA-fwjf-m4qw-9f2x5.1.0
Patch available: django-cms/django-cms 5.1.0
https://github.com/django-cms/django-cms/releases/tag/5.1.05.0.8
Patch available: django-cms/django-cms 5.0.8
https://github.com/django-cms/django-cms/releases/tag/5.0.8fix: Honour plugin-declared Vary headers in the page cache key (#8646)
Patch available: django-cms/django-cms 5.0.8 (PR #8647 merged 2026-06-05)
https://github.com/django-cms/django-cms/pull/8647fix: Honour plugin-declared Vary headers in the page cache key
Patch available: django-cms/django-cms 5.1.0 (PR #8646 merged 2026-06-08)
https://github.com/django-cms/django-cms/pull/8646commit d5dc1efa18d1 (django-cms/django-cms)
Patch available: django-cms/django-cms 5.0.8 (contains commit d5dc1efa18d1)
https://github.com/django-cms/django-cms/commit/d5dc1efa18d157445491c4b12c2dd1efd56f439fcommit 8758714b865f (django-cms/django-cms)
Patch available: django-cms/django-cms 5.1.0 (contains commit 8758714b865f)
https://github.com/django-cms/django-cms/commit/8758714b865ffa79c6bcd0e5c503958ea48885aaVendor Advisories for CVE-2026-54625(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| django-cms | 2.0.1 ... 5.0.7 (140 versions) |
| — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 13× in last 7d / 51× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-10-09 20:07 UTCEPSS rescore
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- 2026-09-27 03:00 UTCEG score recompute
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- 2026-09-23 12:22 UTCEG score recompute
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- 2026-09-20 20:16 UTCEPSS rescore
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- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-29 06:08 UTCEG score recompute
- 2026-08-28 21:41 UTCEPSS rescore
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- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-27 09:12 UTCEG score recompute
- 2026-08-26 14:46 UTCEPSS rescore
- 2026-08-26 10:47 UTCEG score recompute
- 2026-08-25 13:49 UTCEPSS rescore
- 2026-08-25 12:23 UTCEG score recompute
- 2026-08-24 13:55 UTCEG score recompute
- 2026-08-23 15:32 UTCEG score recompute
- 2026-08-23 00:19 UTCEPSS rescore
- 2026-08-22 17:08 UTCEG score recompute
- 2026-08-21 23:49 UTCEPSS rescore
- 2026-08-20 20:20 UTCEG score recompute
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- 2026-08-20 18:17 UTCEG score recompute
- 2026-08-20 18:07 UTCEG score recompute
- 2026-08-20 18:06 UTCMITRE cvelistV5first tracked
Related CVEs(same product + same CWE)
Same product
9 shownPyPI:django-cms
Frequently asked(5)
What is CVE-2026-54625?
When was CVE-2026-54625 disclosed?
Is CVE-2026-54625 actively exploited?
What is the CVSS score of CVE-2026-54625?
How do I remediate CVE-2026-54625?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-54625
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