CVE-2026-120859

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Attackers can store pickled objects in HDF5 string nodes that StringARRAY.array_to_string() passes to pickle.loads() when the node is browsed or read, place Python expressions in HDF5 attributes that JsonConverter.json2object() evaluates, supply a .dock file that load_layout_state() unpickles from the Dashboard Load layout action, or embed Python expressions in XML settings files that elt_to_dict() and set_txt_from_elt() evaluate."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Deserialization of Untrusted Data", "cweId": "CWE-502", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "description": "Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')", "cweId": "CWE-95", "type": "CWE"}]}], "affected": [{"vendor": "PyMoDAQ", "product": "PyMoDAQ", "packageURL": "pkg:pypi/pymodaq", "repo": "https://github.com/PyMoDAQ/PyMoDAQ", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", 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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:pypi/pymodaq", "product": "PyMoDAQ", "repo": "https://github.com/PyMoDAQ/PyMoDAQ", "vendor": "PyMoDAQ", "versions": [{"lessThan": "4.4.13", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:pypi/pymodaq-data", "product": "pymodaq_data", "repo": "https://github.com/PyMoDAQ/PyMoDAQ", "vendor": "PyMoDAQ", "versions": [{"lessThan": "5.1.15", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "5.2.14", "status": "affected", "version": "5.2.0", "versionType": "semver"}, {"lessThan": "5.3.10", "status": "affected", "version": "5.3.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:pypi/pymodaq-gui", "product": "pymodaq_gui", "repo": "https://github.com/PyMoDAQ/PyMoDAQ", "vendor": "PyMoDAQ", "versions": [{"lessThan": "5.1.15", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "5.2.14", "status": "affected", "version": "5.2.0", "versionType": "semver"}, {"lessThan": "5.3.10", "status": "affected", "version": "5.3.0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:pypi/pymodaq-utils", "product": "pymodaq_utils", "repo": "https://github.com/PyMoDAQ/PyMoDAQ", "vendor": "PyMoDAQ", "versions": [{"lessThan": "5.1.15", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "5.2.14", "status": "affected", "version": "5.2.0", "versionType": "semver"}, {"lessThan": "5.3.10", "status": "affected", "version": "5.3.0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "PyMoDAQ before 4.4.13, and pymodaq_data, pymodaq_gui, and pymodaq_utils before 5.1.15, 5.2.x before 5.2.14, and 5.3.x before 5.3.10, contain deserialization of untrusted data and eval injection vulnerabilities that allow attackers to execute arbitrary code by supplying crafted files that a user opens. Attackers can store pickled objects in HDF5 string nodes that StringARRAY.array_to_string() passes to pickle.loads() when the node is browsed or read, place Python expressions in HDF5 attributes that JsonConverter.json2object() evaluates, supply a .dock file that load_layout_state() unpickles from the Dashboard Load layout action, or embed Python expressions in XML settings files that elt_to_dict() and set_txt_from_elt() evaluate."}], "id": "CVE-2026-120859", "lastModified": "2026-11-12T21:09:09.470", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-120859", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-09T22:23:03.047870Z", "version": "2.0.3"}}]}, "published": "2026-11-05T18:17:05.323", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/PyMoDAQ/PyMoDAQ/blob/5.3.9/packages/pymodaq_data/src/pymodaq_data/h5modules/backends.py#L477-L478"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/PyMoDAQ/PyMoDAQ/commit/041e8a22b3dbe3c986ec0ea3c6b46a22f5efe374"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/PyMoDAQ/PyMoDAQ/commit/3bf9042a58f5d4870a2b45fe2c9423aafe6b9203"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/PyMoDAQ/PyMoDAQ/commit/6c7fff74d82624c640bd79513f5b4675ea6d88da"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/PyMoDAQ/PyMoDAQ/commit/ae0042513eb979c84da690825902658c625718d1"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/PyMoDAQ/PyMoDAQ/releases/tag/4.4.13"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/PyMoDAQ/PyMoDAQ/releases/tag/5.1.15"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/PyMoDAQ/PyMoDAQ/releases/tag/5.2.14"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/PyMoDAQ/PyMoDAQ/releases/tag/5.3.10"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/PyMoDAQ/PyMoDAQ/security/advisories/GHSA-jw9g-5c9x-cf84"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/pymodaq-before-5.3.10-arbitrary-code-execution-via-crafted-hdf5-dock-layout-and-xml-settings-files"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/PyMoDAQ/PyMoDAQ/security/advisories/GHSA-jw9g-5c9x-cf84"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-95"}, {"lang": "en", "value": "CWE-502"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{"bugzilla": {"description": "pymodaq: pymodaq_data: pymodaq_gui: pymodaq_utils: PyMoDAQ: Arbitrary code execution via crafted files", "id": "2567947", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2567947"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-502", "details": ["A flaw was found in PyMoDAQ. An attacker can achieve arbitrary code execution by convincing a user to open a maliciously crafted file, such as a data, dock layout, or XML configuration file. This issue occurs because the application unsafely deserializes untrusted objects and evaluates embedded code during file parsing. Successful exploitation allows an attacker to run arbitrary commands with the privileges of the victim user."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-120859", "public_date": "2026-11-05T17:14:58Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-120859\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-120859\nhttps://github.com/PyMoDAQ/PyMoDAQ/blob/5.3.9/packages/pymodaq_data/src/pymodaq_data/h5modules/backends.py#L477-L478\nhttps://github.com/PyMoDAQ/PyMoDAQ/commit/041e8a22b3dbe3c986ec0ea3c6b46a22f5efe374\nhttps://github.com/PyMoDAQ/PyMoDAQ/commit/3bf9042a58f5d4870a2b45fe2c9423aafe6b9203\nhttps://github.com/PyMoDAQ/PyMoDAQ/commit/6c7fff74d82624c640bd79513f5b4675ea6d88da\nhttps://github.com/PyMoDAQ/PyMoDAQ/commit/ae0042513eb979c84da690825902658c625718d1\nhttps://github.com/PyMoDAQ/PyMoDAQ/releases/tag/4.4.13\nhttps://github.com/PyMoDAQ/PyMoDAQ/releases/tag/5.1.15\nhttps://github.com/PyMoDAQ/PyMoDAQ/releases/tag/5.2.14\nhttps://github.com/PyMoDAQ/PyMoDAQ/releases/tag/5.3.10\nhttps://github.com/PyMoDAQ/PyMoDAQ/security/advisories/GHSA-jw9g-5c9x-cf84\nhttps://www.vulncheck.com/advisories/pymodaq-before-5.3.10-arbitrary-code-execution-via-crafted-hdf5-dock-layout-and-xml-settings-files"], "statement": "This vulnerability is rated as an Important severity flaw because an attacker who convinces a user to load a compromised file can execute arbitrary code with the user's privileges, though exploitation requires user interaction rather than occurring over a network without consent. PyMoDAQ and its related packages are not distributed or supported in Red Hat Enterprise Linux or other Red Hat products. As a result, standard Red Hat enterprise deployments are not vulnerable to this issue.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.4.13)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "PyMoDAQ", "source": "cna", "vendor": "PyMoDAQ"}, "product": "pymodaq", "vendor": "pymodaq"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.1.15)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.2.0,5.2.14)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.3.0,5.3.10)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "pymodaq_data", "source": "cna", "vendor": "PyMoDAQ"}, "product": "pymodaq_data", "vendor": "pymodaq"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.1.15)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.2.0,5.2.14)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.3.0,5.3.10)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "pymodaq_gui", "source": "cna", "vendor": "PyMoDAQ"}, "product": "pymodaq_gui", "vendor": "pymodaq"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.1.15)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.2.0,5.2.14)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.3.0,5.3.10)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "pymodaq_utils", "source": "cna", "vendor": "PyMoDAQ"}, "product": "pymodaq_utils", "vendor": "pymodaq"}], "created": "2026-11-05T19:00:20.008081+00:00", "updated": "2026-11-06T16:36:07.986330+00:00", "vendors": ["pymodaq", "pymodaq$PRODUCT$pymodaq", "pymodaq$PRODUCT$pymodaq_data", "pymodaq$PRODUCT$pymodaq_gui", "pymodaq$PRODUCT$pymodaq_utils"]}