{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-62331", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-13T21:42:50.094Z", "datePublished": "2026-10-30T19:00:25.777Z", "dateUpdated": "2026-10-30T19:46:25.082Z"}, "containers": {"cna": {"title": "praktor: Telegram upload traversal permits persistent agent instruction injection", "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/mtzanidakis/praktor/security/advisories/GHSA-48v2-6jcm-fc99", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/mtzanidakis/praktor/security/advisories/GHSA-48v2-6jcm-fc99"}, {"name": "https://github.com/mtzanidakis/praktor/pull/228", "tags": ["x_refsource_MISC"], "url": "https://github.com/mtzanidakis/praktor/pull/228"}, {"name": "https://github.com/mtzanidakis/praktor/commit/c3731eeda01c0b3ec1dbd13cccd5a147c3182141", "tags": ["x_refsource_MISC"], "url": "https://github.com/mtzanidakis/praktor/commit/c3731eeda01c0b3ec1dbd13cccd5a147c3182141"}, {"name": "https://github.com/mtzanidakis/praktor/releases/tag/v0.9.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/mtzanidakis/praktor/releases/tag/v0.9.1"}], "affected": [{"vendor": "mtzanidakis", "product": "praktor", "versions": [{"version": "< 0.9.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-30T19:00:25.777Z"}, "descriptions": [{"lang": "en", "value": "praktor is a multi-agent Claude Code orchestrator with Telegram input and output, Docker isolation, and a Mission Control UI. Prior to 0.9.1, both Telegram upload sites in `internal/telegram/bot.go` concatenate the attacker-controlled document filename into a destination path without sanitization, and `path.Join` collapses parent-directory traversal. A remote Telegram user who can message the bot can therefore write outside `uploads/` within the persistent agent workspace mounted at `/workspace/agent`. Because `allow_from: []` permits all senders by default, no prior authentication or privilege is required in that configuration. The attacker can plant or overwrite `CLAUDE.md`, instruction, skill, hook, or configuration files that the Claude agent reads and operates on across later runs, turning a document upload into stored instruction injection. The demonstrated arbitrary-write scope is the persistent agent workspace volume, not an unrestricted host-filesystem write. This issue is fixed in version 0.9.1."}], "source": {"advisory": "GHSA-48v2-6jcm-fc99", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-30T19:45:09.898798Z", "id": "CVE-2026-62331", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-30T19:46:25.082Z"}}]}}

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{}