GHSA-chfm-cm6h-q5x7

Suggest an improvement
Source
https://github.com/advisories/GHSA-chfm-cm6h-q5x7
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-chfm-cm6h-q5x7/GHSA-chfm-cm6h-q5x7.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-chfm-cm6h-q5x7
Aliases
Published
2026-05-22T00:31:16Z
Modified
2026-09-10T03:51:05Z
Severity
  • 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Concrete CMS is subject to Insecure Direct Object Reference (IDOR) in the Express Entry Detail block
Details

Concrete CMS 9.5.0 and below is subject to Insecure Direct Object Reference (IDOR) in the Express Entry Detail block via the exEntryID parameter. This IDOR leads to unauthorized access to all Express form submissions. The Concrete CMS security team thanks Tristan Madani for reporting this issue.

Database specific
{
    "cwe_ids":  [
        "CWE-639"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2026-06-24T18:50:44Z",
    "nvd_published_at":  "2026-05-21T22:16:48Z",
    "severity":  "MODERATE"
}
References

Affected packages

Packagist / concrete5/concrete5

Package

Name
concrete5/concrete5
Purl
pkg:composer/concrete5/concrete5

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.5.1

Affected versions

8.*
8.0
8.0.1
8.0.2
8.0.3
8.1.0
8.2.0RC2
8.2.0
8.2.1
8.3.0
8.3.1
8.3.2
8.4.0RC3
8.4.0RC4
8.4.0
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.5.0RC1
8.5.0RC2
8.5.0
8.5.1
8.5.2
8.5.3
8.5.4
8.5.5
8.5.6RC1
8.5.6
8.5.7
8.5.8
8.5.9
8.5.10
8.5.11
8.5.12
8.5.13
8.5.14
8.5.15
8.5.16
8.5.17
8.5.18
8.5.19
8.5.20
8.5.21
9.*
9.0.0RC1
9.0.0RC3
9.0.0RC4
9.0.0
9.0.1
9.0.2
9.1.0
9.1.1
9.1.2
9.1.3
9.2.0RC2
9.2.0
9.2.1
9.2.2
9.2.3
9.2.4
9.2.5
9.2.6
9.2.7
9.2.8
9.2.9
9.3.0
9.3.1
9.3.2
9.3.3
9.3.4
9.3.5
9.3.6
9.3.7
9.3.8
9.3.9
9.4.0RC1
9.4.0RC2
9.4.0
9.4.1
9.4.2
9.4.3
9.4.4
9.4.5
9.4.6
9.4.7
9.4.8
9.5.0RC1
9.5.0RC2
9.5.0

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-chfm-cm6h-q5x7/GHSA-chfm-cm6h-q5x7.json"