Is CVE-2026-23526 in the CISA KEV catalog?

No. CVE-2026-23526 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-23526?

CVE-2026-23526 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2026-23526?

CVE-2026-23526 has an EPSS score of 0.26% (17th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-23526?

Upgrade computer vision annotation tool to 2.55.0 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2026-23526

HIGH

8.8

CVSS v3

NVD

Description

CVAT is an open source interactive video and image annotation tool for computer vision. In versions 1.0.0 through 2.54.0, users that have the staff status may freely change their permissions, including giving themselves superuser status and joining the admin group, which gives them full access to the data in the CVAT instance. Version 2.55.0 fixes the issue. As a workaround, review the list of users with staff status and revoke it from any users that are not expected to have superuser privileges.

CWE-267

How to fix

Remediation Available

computer vision annotation toolNVD

Affected:>= 1.0.0, < 2.55.0Fixed in:2.55.0CVE-2026-23526derived from NVD

cvatNVD

Affected:>= 1.0.0, < 2.55.0Fixed in:2.55.0CVE-2026-23526derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.26%probability of exploitation in 30 days

17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-267 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-41244	High	7.8	7.9%	KEV	Fix
CVE-2024-42365	High	7.4	4.7%	-	Fix
CVE-2025-47811	Medium	4.1	3.5%	-	Fix
CVE-2020-29396	High	8.8	3.2%	-	-
CVE-2019-10169	Medium	6.6	1.3%	-	Fix
CVE-2019-10170	Medium	6.6	1.2%	-	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 2026-02-20.