{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54757", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T23:12:41.965Z", "datePublished": "2026-08-25T23:02:12.422Z", "dateUpdated": "2026-08-26T12:21:23.031Z"}, "containers": {"cna": {"title": "Trestle has Server-Side Template Injection (SSTI) via Recursive Template Re-evaluation of Untrusted Data", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"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"}}], "references": [{"name": "https://github.com/oscal-compass/compliance-trestle/security/advisories/GHSA-jw39-3688-r4rx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/oscal-compass/compliance-trestle/security/advisories/GHSA-jw39-3688-r4rx"}, {"name": "https://github.com/oscal-compass/compliance-trestle/commit/0f82d19bd42f9cc0f1b3acd7fc3f6dafe3b6ae10", "tags": ["x_refsource_MISC"], "url": "https://github.com/oscal-compass/compliance-trestle/commit/0f82d19bd42f9cc0f1b3acd7fc3f6dafe3b6ae10"}, {"name": "https://github.com/oscal-compass/compliance-trestle/commit/5335ff873a2a68eb7de43df029bea09cadff22fd", "tags": ["x_refsource_MISC"], "url": "https://github.com/oscal-compass/compliance-trestle/commit/5335ff873a2a68eb7de43df029bea09cadff22fd"}], "affected": [{"vendor": "oscal-compass", "product": "compliance-trestle", "versions": [{"version": "< 3.12.4", "status": "affected"}, {"version": ">= 4.0.0, < 4.1.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-25T23:02:12.422Z"}, "descriptions": [{"lang": "en", "value": "Compliance-trestle (Trestle) is a Python SDK and command-line tool for managing OSCAL compliance documents. In versions before 3.12.4 and versions 4.0.0 through 4.0.3, Trestle is vulnerable to server-side template injection that can lead to remote code execution. This occurs because the MDCleanInclude and MDSectionInclude Jinja2 tags re-parse untrusted Markdown content as template source code using a non-sandboxed jinja2.Environment. An attacker who controls content that Trestle renders, such as a crafted workspace Markdown file, a third-party SSP document, or a YAML lookup-table value, can inject a Jinja2 expression that traverses Python object internals to execute arbitrary operating system commands in the context of the Trestle process. This issue is fixed in versions 3.12.4 and 4.1.0."}], "source": {"advisory": "GHSA-jw39-3688-r4rx", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/oscal-compass/compliance-trestle/security/advisories/GHSA-jw39-3688-r4rx", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-26T12:20:38.208694Z", "id": "CVE-2026-54757", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-26T12:21:23.031Z"}}]}}

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{"bugzilla": {"description": "compliance-trestle: Trestle: Remote Code Execution via Server-Side Template Injection", "id": "2524199", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524199"}, "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-917", "details": ["Compliance-trestle (Trestle) is a Python SDK and command-line tool for managing OSCAL compliance documents. In versions before 3.12.4 and versions 4.0.0 through 4.0.3, Trestle is vulnerable to server-side template injection that can lead to remote code execution. This occurs because the MDCleanInclude and MDSectionInclude Jinja2 tags re-parse untrusted Markdown content as template source code using a non-sandboxed jinja2.Environment. An attacker who controls content that Trestle renders, such as a crafted workspace Markdown file, a third-party SSP document, or a YAML lookup-table value, can inject a Jinja2 expression that traverses Python object internals to execute arbitrary operating system commands in the context of the Trestle process. This issue is fixed in versions 3.12.4 and 4.1.0.", "A flaw was found in Trestle, a Python SDK and command-line tool for managing OSCAL compliance documents. This vulnerability involves server-side template injection (SSTI) due to the MDCleanInclude and MDSectionInclude Jinja2 tags improperly re-parsing untrusted Markdown content as template source code. An attacker who can control content rendered by Trestle, such as a crafted Markdown file, can inject a Jinja2 expression. This allows for remote code execution, enabling the attacker to run arbitrary operating system commands within the Trestle process."], "name": "CVE-2026-54757", "package_state": [{"cpe": "cpe:/a:redhat:openshift_file_integrity_operator:1", "fix_state": "Affected", "package_name": "compliance/openshift-compliance-content-rhel8", "product_name": "File Integrity Operator"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "scap-security-guide", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-08-25T23:02:12Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-54757\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-54757\nhttps://github.com/oscal-compass/compliance-trestle/commit/0f82d19bd42f9cc0f1b3acd7fc3f6dafe3b6ae10\nhttps://github.com/oscal-compass/compliance-trestle/commit/5335ff873a2a68eb7de43df029bea09cadff22fd\nhttps://github.com/oscal-compass/compliance-trestle/security/advisories/GHSA-jw39-3688-r4rx"], "threat_severity": "Important"}