Is CVE-2026-54261 in the CISA KEV catalog?

No. CVE-2026-54261 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-54261?

CVE-2026-54261 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2026-54261?

CVE-2026-54261 has an EPSS score of 0.20% (10th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-54261?

Upgrade wagtail to 7.4.2 or later.

CVE & CISA-KEV Catalog

CVE-2026-54261

MEDIUM

6.5

CVSS v3

NVD

Description

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, due to a missing permission check on the image preview endpoint, a user with access to the Wagtail admin can preview any image. The existing data of the image object itself is not exposed. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. This issue has been fixed in versions 7.0.8, 7.3.3, and 7.4.2.

CWE-280Improper Handling of Insufficient Permissions

How to fix

Remediation Available

wagtailNVD

Affected:>= 7.4, < 7.4.2Fixed in:7.4.2CVE-2026-54261derived from NVD

Affected:>= 7.1, < 7.3.3Fixed in:7.3.3CVE-2026-54261derived from NVD

Affected:< 7.0.8Fixed in:7.0.8CVE-2026-54261derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.20%probability of exploitation in 30 days

10thpercentile

Low risk: more likely to be exploited than 10% of all known CVEs.

References

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-280 (Improper Handling of Insufficient Permissions) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24116	Critical	9.8	24%	-	-
CVE-2026-20817	High	7.8	5.3%	-	Fix
CVE-2020-8219	High	7.2	2.2%	-	-
CVE-2012-4550	Medium	5.3	2.1%	-	-
CVE-2020-26195	Medium	5.3	1.8%	-	-
CVE-2019-6570	High	8.8	1.4%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-02.