Vulnerability-Lookup

CVE-2026-39862 (GCVE-0-2026-39862)

Vulnerability from cvelistv5 – Published: 2026-04-08 19:50 – Updated: 2026-04-09 16:17

Title

Tophat has a Command Injection Vulnerability When Accessing a Maliciously Crafted Tophat Link

Summary

Tophat is a mobile applications testing harness. Prior to 2.5.1, Tophat is affected by remote code execution via crafted tophat:// or http://localhost:29070 URLs. The arguments query parameter flows unsanitized from URL parsing through to /bin/bash -c execution, allowing an attacker to execute arbitrary commands on a developer's macOS workstation. Any developer with Tophat installed is vulnerable. For previously trusted build hosts, no confirmation dialog appears. Attacker commands run with the user's permissions. This vulnerability is fixed in 2.5.1.

Severity

6.3 (Medium)


                        
                          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:U

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/Shopify/tophat/security/adviso…	x_refsource_CONFIRM
https://github.com/Shopify/tophat/pull/139	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Shopify	tophat	Affected: < 2.5.1

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-39862

Vulnerability from fkie_nvd - Published: 2026-04-08 20:16 - Updated: 2026-06-17 10:42

Severity

8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/Shopify/tophat/pull/139	Issue Tracking
	security-advisories@github.com	https://github.com/Shopify/tophat/security/advisories/GHSA-8x8g-6rv5-mgg2	Vendor Advisory

Impacted products

	Vendor	Product	Version
	shopify	tophat	*

JSON

To clipboard

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          "product": "tophat",
          "vendor": "Shopify",
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            }
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    }
  ],
  "id": "CVE-2026-39862",
  "lastModified": "2026-06-17T10:42:43.280",
  "metrics": {
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          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
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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.

Action not permitted

CVE-2026-39862 (GCVE-0-2026-39862)

FKIE_CVE-2026-39862

Tags

Sightings

Nomenclature