CVE Explorer

CVE-2026-31247

Docling's JATS XML backend is vulnerable to XML Entity Expansion (XXE) attacks thru 2.61.0. The backend uses etree.parse() to parse XML files without disabling entity resolution. An attacker can craft a malicious XML file containing a nested entity expansion payload (XML Bomb). When processed by Docling, the exponential expansion of entities leads to excessive resource consumption, resulting in a denial of service (DoS) condition on the system running the Docling parser.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:81ccc87b3aa4383b94c88591a3b16da3570148f0786f3ff585fa62514e25a18d

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:ec15e84c74fc7f5f19fc9deb86d006611522a09a33ee79c71422ea23c587278e · sha256:e8cbad65518668c7… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"n/a","lang":"en","type":"text"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:ec15e84c74fc7f5f19fc9deb86d006611522a09a33ee79c71422ea23c587278e · sha256:e8cbad65518668c7… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion

{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:ec15e84c74fc7f5f19fc9deb86d006611522a09a33ee79c71422ea23c587278e · sha256:e8cbad65518668c7… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:ec15e84c74fc7f5f19fc9deb86d006611522a09a33ee79c71422ea23c587278e · sha256:e8cbad65518668c7… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions

{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:ec15e84c74fc7f5f19fc9deb86d006611522a09a33ee79c71422ea23c587278e · sha256:e8cbad65518668c7… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"n/a","lang":"en","type":"text"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:ec15e84c74fc7f5f19fc9deb86d006611522a09a33ee79c71422ea23c587278e · sha256:e8cbad65518668c7… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"url":"https://github.com/docling-project/docling"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:ec15e84c74fc7f5f19fc9deb86d006611522a09a33ee79c71422ea23c587278e · sha256:e8cbad65518668c7… · /containers/cna/references/0

{"url":"https://www.notion.so/CVE-2026-31247-35d1e1393188818fa654c116c6a470bb"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:ec15e84c74fc7f5f19fc9deb86d006611522a09a33ee79c71422ea23c587278e · sha256:e8cbad65518668c7… · /containers/cna/references/1

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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