CVE-2018-11761

mediumpriority · track · 43EPSS 0.094 · 95 %ileexploit · PoCEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

9.38% (95th) EPSS

CVSS 5 · medium

Is it mine?

8 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

In Apache Tika 0.1 to 1.18, the XML parsers were not configured to limit entity expansion. They were therefore vulnerable to an entity expansion vulnerability which can lead to a denial of service attack.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.07.1highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-611USprimaryCWE-611USCWE-611US

exploits (1)

Public proof-of-concept and weaponised exploit code.

brianwrf/CVE-2018-11761Apache Tika Denial of Service Vulnerability (CVE-2018-11761)PoC · poc_in_github

affected products (8)

Products and version ranges known to be affected.

Apache Software Foundation Apache Tika≤ 0.1 to 1.18enisa_euvdEU
Apache Software Foundation Tika0.1 → 1.18fstec_bduRU
Oracle Corp. Oracle Business Process Management Suite≤ 12.2.1.3.0fstec_bduRU
Oracle Corp. Oracle Business Process Management Suite≤ 12.1.3.0.0fstec_bduRU
apache tika0.1 → 1.18nvdUScpe:2.3:a:apache:tika:*:*:*:*:*:*:*:*
oracle business process management suite= 12.1.3.0.0nvdUScpe:2.3:a:oracle:business_process_management_suite:*:*:*:*:*:*:*:*
oracle business process management suite= 12.2.1.3.0nvdUScpe:2.3:a:oracle:business_process_management_suite:*:*:*:*:*:*:*:*
Maven org.apache.tika:tika-core0.1 → 1.19.1osvUSpkg:maven/org.apache.tika/tika-core

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-6jq2-789q-fff2High severity vulnerability that affects org.apache.tika:tika-core2018-10-17ghsa · osvUS
In Apache Tika 0.1 to 1.18, the XML parsers were not configured to limit entity expansion. They were therefore vulnerable to an entity expansion vulnerability which can lead to a denial of service attack.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2018-09-19modified 2026-06-17

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+1515 more

references (21)

External citations — patches, advisories, analysis.

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