CVE Explorer

CVE-2026-42769

Issue Summary: An error in the callback used to verify the certificate provided in a Root CA key update Certificate Management Protocol (CMP) message response rendered the certificate validation ineffectual, which could lead to escalation of credentials from the Registration Authority (RA) level to the root Certification Authority (root CA) level. Impact Summary: The Registration Autority could replace the root CA certificate for the CMP clients with an arbitrary root CA certificate. One of th

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:fd5d4436dee21a58c4f802a1bd6823b664eeed6f20f16742fa280ad5ebcd756c

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"OpenSSL","vendor":"OpenSSL","versions":[{"lessThan":"4.0.1","status":"affected","version":"4.0.0","versionType":"semver"},{"lessThan":"3.6.3","status":"affected","version":"3.6.0","versionType":"semver"},{"lessThan":"3.5.7","status":"affected","version":"3.5.0","versionType":"semver"},{"lessThan":"3.4.6","status":"affected","version":"3.4.0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:94197ac35e859710f22e0b5fcc56139979ed329954000d6d400c4fe29c1881c1 · sha256:08ed5f8d94352c6c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/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:v2:94197ac35e859710f22e0b5fcc56139979ed329954000d6d400c4fe29c1881c1 · sha256:08ed5f8d94352c6c… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-295","description":"CWE-295 Improper Certificate Validation","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:94197ac35e859710f22e0b5fcc56139979ed329954000d6d400c4fe29c1881c1 · sha256:08ed5f8d94352c6c… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions

{"name":"3.5.7 git commit","tags":["patch"],"url":"https://github.com/openssl/openssl/commit/54d0989997e5fc26057009a9782c3441ce3842fb"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:94197ac35e859710f22e0b5fcc56139979ed329954000d6d400c4fe29c1881c1 · sha256:08ed5f8d94352c6c… · /containers/cna/references/3

{"name":"3.4.6 git commit","tags":["patch"],"url":"https://github.com/openssl/openssl/commit/777b363b16fcf2153bb3ded39dc3838713667c44"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:94197ac35e859710f22e0b5fcc56139979ed329954000d6d400c4fe29c1881c1 · sha256:08ed5f8d94352c6c… · /containers/cna/references/4

{"name":"3.6.3 git commit","tags":["patch"],"url":"https://github.com/openssl/openssl/commit/d35cd473a271bf3ce7bf3d32af53217fb83ae92c"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:94197ac35e859710f22e0b5fcc56139979ed329954000d6d400c4fe29c1881c1 · sha256:08ed5f8d94352c6c… · /containers/cna/references/2

{"name":"4.0.1 git commit","tags":["patch"],"url":"https://github.com/openssl/openssl/commit/d531f21c0fe99067a66fc0ff1161ef127f9cd70b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:94197ac35e859710f22e0b5fcc56139979ed329954000d6d400c4fe29c1881c1 · sha256:08ed5f8d94352c6c… · /containers/cna/references/1

{"name":"OpenSSL Advisory","tags":["vendor-advisory"],"url":"https://openssl-library.org/news/secadv/20260609.txt"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:94197ac35e859710f22e0b5fcc56139979ed329954000d6d400c4fe29c1881c1 · sha256:08ed5f8d94352c6c… · /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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