EUVD-2026-70284
GHSA-wvcq-2rcq-fqc9
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Remote unauthenticated network exploitation with no interaction required; impact is limited to partial availability loss on the vulnerable system, with no scope change.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
3DescriptionCVE.org
A vulnerability was determined in simular-ai Agent-S up to 0.3.2. Affected by this vulnerability is the function ImageData of the file gui_agents/s1/utils/ocr_server.py of the component OCR HTTP API. Executing a manipulation of the argument img_bytes can lead to resource consumption. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
AnalysisAI
Uncontrolled resource consumption in simular-ai Agent-S up to version 0.3.2 allows remote unauthenticated attackers to exhaust server resources via the OCR HTTP API's ImageData function. By supplying crafted img_bytes input to the exposed endpoint in gui_agents/s1/utils/ocr_server.py, an attacker can trigger a denial-of-service condition against the OCR processing service. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The Agent-S OCR HTTP API must be network-accessible from the attacker's position - if the service is bound to localhost or blocked by a network firewall, remote exploitation is not possible. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 base score of 6.9 with E:P reflects a medium-severity, availability-only vulnerability where publicly available exploit code lowers the exploitation barrier. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch has been identified at time of analysis - the vendor did not respond to responsible disclosure. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Denial of service in simular-ai Agent-S up to version 0.3.2 allows low-privileged remote attackers to disrupt the GUI ac
Denial of service in simular-ai Agent-S 0.3.1/0.3.2 allows authenticated remote attackers to crash or exhaust the CodeAg
Same weakness CWE-400 – Uncontrolled Resource Consumption
View allSame technique Denial Of Service
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External POC / Exploit Code
Leaving vuln.today