CVE Explorer

CVE-2025-6985

The HTMLSectionSplitter class in langchain-text-splitters version 0.3.8 is vulnerable to XML External Entity (XXE) attacks due to unsafe XSLT parsing. This vulnerability arises because the class allows the use of arbitrary XSLT stylesheets, which are parsed using lxml.etree.parse() and lxml.etree.XSLT() without any hardening measures. In lxml versions up to 4.9.x, external entities are resolved by default, allowing attackers to read arbitrary local files or perform outbound HTTP(S) fetches. In l

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b174afe5901624a47b8f5ce4b48a69ae3099f69aaceeb8185e186ab152550977

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"langchain-ai/langchain","vendor":"langchain-ai","versions":[{"lessThanOrEqual":"latest","status":"affected","version":"unspecified","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:64a19cf88803b2f68e7c2991140edb74dbec5b0d069899b3ec1f2870873f062f · sha256:f59278df1b119084… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.0"},"metric_type":"cvssV3_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:64a19cf88803b2f68e7c2991140edb74dbec5b0d069899b3ec1f2870873f062f · sha256:f59278df1b119084… · /containers/cna/metrics/0/cvssV3_0

CWE assertions

1 source assertion

{"cweId":"CWE-611","description":"CWE-611 Improper Restriction of XML External Entity Reference","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:64a19cf88803b2f68e7c2991140edb74dbec5b0d069899b3ec1f2870873f062f · sha256:f59278df1b119084… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"url":"https://huntr.com/bounties/cf78abbb-df3b-43de-b6ee-132b73ff8331"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:64a19cf88803b2f68e7c2991140edb74dbec5b0d069899b3ec1f2870873f062f · sha256:f59278df1b119084… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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