Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-41080

libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a88df29cd0d98502ea65e89e02f328f4b32b0e31fb936221d1b13f55aadb5b7d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 6 assertions

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/2/affected/2

{"defaultStatus":"unaffected","product":"libexpat","vendor":"libexpat project","versions":[{"lessThan":"2.8.0","status":"affected","version":"0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/cna/affected/0

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/2/affected/1

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/2/affected/0

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/2/affected/4

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/2/affected/3
cvss · 2 assertions

{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":2.9,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/cna/metrics/0/cvssV3_1

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

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/0/metrics/0/cvssV3_1

Affected products and versions

6 source assertions
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/2/affected/2
{"defaultStatus":"unaffected","product":"libexpat","vendor":"libexpat project","versions":[{"lessThan":"2.8.0","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/cna/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/2/affected/1
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/2/affected/0
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/2/affected/4
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.6","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/2/affected/3

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":2.9,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-331","description":"CWE-331 Insufficient Entropy","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/04/26/1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/1/references/0
{"url":"https://blog.hartwork.org/posts/expat-2-8-0-released/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/cna/references/3
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/adp/2/references/0
{"url":"https://github.com/libexpat/libexpat/issues/47"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/cna/references/1
{"url":"https://github.com/libexpat/libexpat/pull/1183"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/cna/references/0
{"url":"https://www.openwall.com/lists/oss-security/2026/04/26/1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8ed665510dcf3d11967d25faf9136ba9b3f4f01e4e56fb0d5d7045a82355b88a · sha256:93315c7f0c1ba25c… · /containers/cna/references/2

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.

← Back to CVE Explorer