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Upgrade to ProDetect DIRAC RequestManager eval() Remote Code Execution (CVE-2026-45579) in Sumo Logic CSE
Detects exploitation attempts and successful compromise of DIRAC's RequestManager component via CVE-2026-45579, a CWE-95 (Eval Injection) vulnerability where untrusted RPC input passed to RequestManager is evaluated via Python's eval() function, resulting in unauthenticated or low-privilege remote code execution. Affected DIRAC (pip package) versions are >=6,<8.0.79, >=8.1.0a1,<9.0.22, and >=9.1.0,<9.1.10. A public PoC exists (GHSA-9jpv-c7p4-997x). Detection focuses on anomalous eval-triggering payloads sent to DIRAC RequestManager RPC/DISET endpoints, resulting child process spawns from DIRAC service processes, and post-exploitation artifacts consistent with grid/HPC computing infrastructure compromise.
MITRE ATT&CK
Sumo Detection Query
_sourceCategory=*process* OR _sourceCategory=*sysmon*
| where parent_process_command_line matches "*RequestManager*" or parent_process_command_line matches "*dirac-service*" or parent_process_command_line matches "*dirac-request*"
| where process_command_line matches "*eval(*" or process_command_line matches "*__import__*" or process_command_line matches "*os.system*" or process_command_line matches "*subprocess*" or process_command_line matches "*socket.socket*" or process_command_line matches "*base64*"
| fields _messagetime, hostname, user, parent_process_command_line, process_command_line
| sort -_messagetimeSumo Logic search identifying child processes spawned from DIRAC RequestManager/service Python processes with eval-injection command-line indicators tied to CVE-2026-45579.
Data Sources
Required Tables
False Positives & Tuning
- Legitimate operator debug sessions using eval() on DIRAC servers
- CI pipelines exercising the vulnerable RequestManager code path in test mode
- Unrelated Python daemons that coincidentally reference similar strings
Other platforms for CVE-2026-45579
Testing Methodology
Validate this detection against 3 adversary techniques from Atomic Red Team. Each test below lists the behaviour to exercise and the telemetry you should expect to see. Executable commands and cleanup steps are available with Pro.
- Test 1Simulate DIRAC RequestManager eval() RCE via crafted RPC payload
Expected signal: Process creation event showing python3 (DIRAC RequestManager service) spawning /bin/sh -c "id > /tmp/dirac_poc_out" or equivalent child process with eval-injection command-line markers
- Test 2Simulate reverse shell spawned from DIRAC service process
Expected signal: Bash process with /dev/tcp redirection spawned by a process whose parent command line references RequestManager/dirac-service, plus an outbound TCP connection on port 4444
- Test 3Simulate malicious eval() injection payload execution on Windows lab host
Expected signal: DeviceProcessEvents entry showing python.exe spawning cmd.exe/whoami with a parent command line simulation referencing RequestManager, writing output to a temp file
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