A Server-Side Request Forgery (SSRF) in the /themes/-/install-from-uri endpoint of halo v2.22.14 allows authenticated attackers to scan internal resources via a crafted GET request.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00028.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

No data.

No data.

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Vendors Products
Halo Subscribe
Halo Subscribe

Project Subscriptions

Vendors Products
Halo Subscribe
Halo Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/Arron-bit/Vul_report/blob/main/halo/ssrf3/readme.md cve-icon cve-icon cve-icon
https://github.com/halo-dev/halo cve-icon cve-icon
History

Sat, 02 May 2026 11:15:00 +0000

Type Values Removed Values Added
Title SSRF Exploit in Halo 2.22.14 /themes/-/install-from-uri Endpoint Enables Internal Resource Discovery

Fri, 01 May 2026 08:30:00 +0000

Type Values Removed Values Added
First Time appeared Halo
Halo halo
Vendors & Products Halo
Halo halo

Thu, 30 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 30 Apr 2026 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-918
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Thu, 30 Apr 2026 16:15:00 +0000

Type Values Removed Values Added
Description A Server-Side Request Forgery (SSRF) in the /themes/-/install-from-uri endpoint of halo v2.22.14 allows authenticated attackers to scan internal resources via a crafted GET request.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-04-30T18:11:52.671Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-36758

cve-icon Vulnrichment

Updated: 2026-04-30T18:10:14.817Z

cve-icon NVD

Status : Deferred

Published: 2026-04-30T16:16:42.400

Modified: 2026-04-30T18:16:28.620

Link: CVE-2026-36758

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-02T11:00:06Z

Weaknesses