8.7

CVE-2026-78416: craftcms cms

CVSS: 8.7v4.0HighDeferred
Published 24-08-2026Last modified 26-08-2026
Open JSON

Vulnerability summary

CVE-2026-78416 is a high (CVSS 8.7) vulnerability in craftcms cms. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 63% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.7/10
010
High · v4.0 (CVE.org)
EPSS score
1.02%
0%100%
Low · +0.41 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-08-2026
    PublishedVulnerability first disclosed.
  2. 26-08-2026
    Last modifiedVulnerability information updated.

Description

Craft CMS versions from 4.0.0-RC1 before 4.18.2 and from 5.0.0-RC1 before 5.10.6 contain an authenticated remote code execution vulnerability in control panel element-search condition handling. A JSON cleanse bypass in condition.config allows Yii behavior/event configuration keys to be interpreted after decoding, enabling command execution as the PHP/web user.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.02%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

+0.41 pp

From 0.61% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.02%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Craftcms1 product
  • cms≥ 4.0.0-RC1, < 4.18.2 | ≥ 5.0.0-RC1, < 5.10.6

1 vendor · 1 product

References

3 links