{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-123198", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-05T17:58:49.326Z", "datePublished": "2026-11-05T18:16:35.730Z", "dateUpdated": "2026-11-05T20:59:50.463Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-05T18:16:35.730Z" }, "datePublic": "2026-11-02T00:00:00.000Z", "title": "LMFDB before commit 01829bd Unauthenticated Server-Side Template Injection via /knowledge/render/", "descriptions": [ { "lang": "en", "value": "LMFDB before commit 01829bd contains a server-side template injection vulnerability in the render_knowl function that allows unauthenticated attackers to inject Jinja expressions via request parameters. Attackers can supply crafted query-string values or 'content' data to /knowledge/render/ to reach Python builtins and execute operating system commands as the web application account." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Improper Neutralization of Special Elements Used in a Template Engine", "cweId": "CWE-1336", "type": "CWE" } ] } ], "affected": [ { "vendor": "LMFDB", "product": "LMFDB", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThan": "01829bd09b692c720aad30c952758a20630573d4", "status": "affected", "versionType": "git" } ], "packageURL": "pkg:github/lmfdb/lmfdb", "repo": "https://github.com/LMFDB/lmfdb" } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL" } } ], "references": [ { "url": "https://github.com/LMFDB/lmfdb/security/advisories/GHSA-6jw3-pmcx-2xww", "tags": [ "vendor-advisory" ], "name": "GitHub Security Advisory (GHSA-6jw3-pmcx-2xww)" }, { "url": "https://github.com/LMFDB/lmfdb/pull/7231", "tags": [ "patch", "issue-tracking" ] }, { "url": "https://github.com/LMFDB/lmfdb/commit/01829bd09b692c720aad30c952758a20630573d4", "tags": [ "patch" ] }, { "url": "https://github.com/LMFDB/lmfdb/blob/c6e5bac205aa12de9edf584a06328fefa81de0de/lmfdb/knowledge/main.py#L747", "tags": [ "technical-description" ] }, { "name": "VulnCheck Advisory: LMFDB before commit 01829bd Unauthenticated Server-Side Template Injection via /knowledge/render/", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/lmfdb-before-commit-01829bd-unauthenticated-server-side-template-injection-via-knowledge-render-id" } ], "credits": [ { "lang": "en", "value": "Tommaso Bona", "type": "finder" }, { "lang": "en", "value": "edgarcosta", "type": "remediation developer" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "references": [ { "url": "https://github.com/LMFDB/lmfdb/security/advisories/GHSA-6jw3-pmcx-2xww", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-11-05T20:59:31.250923Z", "id": "CVE-2026-123198", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "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": "2026-11-05T20:59:50.463Z" } } ] } }