Vulnerability-Lookup

CVE-2026-78416 (GCVE-0-2026-78416)

Vulnerability from cvelistv5 – Published: 2026-08-24 15:36 – Updated: 2026-08-26 20:59

Title

Authenticated RCE via `condition.config` JSON cleanse bypass

Summary

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.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-24 00:00 UTC

CWE

CWE-915 - Improperly controlled modification of Dynamically-Determined object attributes

Assigner

Hackrate icscert root

References

3 references

URL	Tags
https://www.hckrt.com/hacktivity/HCKRT-JD662P	third-party-advisorytechnical-descriptionmitigation
https://github.com/craftcms/cms/releases/tag/5.10.6	release-notes
https://github.com/craftcms/cms	product

Impacted products

1 product

Vendor	Product	Version	CPE status
craftcms	cms	Affected: 4.0.0-RC1 , < 4.18.2 (semver) Affected: 5.0.0-RC1 , < 5.10.6 (semver) cpe:2.3:a:craftcms:cms:::::::: cpe:2.3:a:craftcms:cms::::::::

Credits

saladin Hackrate

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-78416

Vulnerability from fkie_nvd - Published: 2026-08-24 16:17 - Updated: 2026-08-28 16:08

Severity

8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	7004884b-51e2-48e8-b4a2-5ca29e80453e	https://github.com/craftcms/cms
	7004884b-51e2-48e8-b4a2-5ca29e80453e	https://github.com/craftcms/cms/releases/tag/5.10.6
	7004884b-51e2-48e8-b4a2-5ca29e80453e	https://www.hckrt.com/hacktivity/HCKRT-JD662P

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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GHSA-4GHJ-75G5-H9PF

Vulnerability from github – Published: 2026-08-24 18:31 – Updated: 2026-08-27 00:30

Details

Severity

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

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  "affected": [],
  "aliases": [
    "CVE-2026-78416"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-915"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-24T16:17:24Z",
    "severity": "HIGH"
  },
  "details": "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.",
  "id": "GHSA-4ghj-75g5-h9pf",
  "modified": "2026-08-27T00:30:28Z",
  "published": "2026-08-24T18:31:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-78416"
    },
    {
      "type": "WEB",
      "url": "https://github.com/craftcms/cms"
    },
    {
      "type": "WEB",
      "url": "https://github.com/craftcms/cms/releases/tag/5.10.6"
    },
    {
      "type": "WEB",
      "url": "https://www.hckrt.com/hacktivity/HCKRT-JD662P"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-78416 (GCVE-0-2026-78416)

FKIE_CVE-2026-78416

GHSA-4GHJ-75G5-H9PF

Tags

Sightings

Nomenclature

Related by attack behaviour