128 lines
5.5 KiB
JSON
128 lines
5.5 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-39888",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-04-07T20:32:03.011Z",
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"datePublished": "2026-04-08T20:41:56.680Z",
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"dateUpdated": "2026-04-09T20:21:16.297Z"
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},
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"containers": {
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"cna": {
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"title": "PraisonAIAgents has a sandbox escape via exception frame traversal in `execute_code` (subprocess mode)",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-657",
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"lang": "en",
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"description": "CWE-657: Violation of Secure Design Principles",
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"type": "CWE"
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}
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]
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},
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{
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"descriptions": [
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{
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"cweId": "CWE-693",
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"lang": "en",
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"description": "CWE-693: Protection Mechanism Failure",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 10,
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"baseSeverity": "CRITICAL",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"scope": "CHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-qf73-2hrx-xprp",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-qf73-2hrx-xprp"
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}
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],
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"affected": [
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{
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"vendor": "MervinPraison",
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"product": "praisonaiagents",
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"versions": [
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{
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"version": "< 1.5.115",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-04-08T20:41:56.680Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "PraisonAI is a multi-agent teams system. Prior to 1.5.115, execute_code() in praisonaiagents.tools.python_tools defaults to sandbox_mode=\"sandbox\", which runs user code in a subprocess wrapped with a restricted __builtins__ dict and an AST-based blocklist. The AST blocklist embedded inside the subprocess wrapper (blocked_attrs of python_tools.py) contains only 11 attribute names — a strict subset of the 30+ names blocked in the direct-execution path. The four attributes that form a frame-traversal chain out of the sandbox are all absent from the subprocess list (__traceback__, tb_frame, f_back, and f_builtins). Chaining these attributes through a caught exception exposes the real Python builtins dict of the subprocess wrapper frame, from which exec can be retrieved and called under a non-blocked variable name — bypassing every remaining security layer. This vulnerability is fixed in 1.5.115."
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}
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],
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"source": {
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"advisory": "GHSA-qf73-2hrx-xprp",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-04-09T20:20:32.970513Z",
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"id": "CVE-2026-39888",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-04-09T20:21:16.297Z"
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}
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}
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]
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}
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} |