CVE Explorer

CVE-2026-34182

Issue Summary: Cryptographic Message Services (CMS) processing fails to perform sufficient input validation on the cipher and tag length fields of AuthEnvelopedData containers, leading to various potential compromises. Impact Summary: Attackers making use of these vulnerabilities may achieve key-equivalent functionality for a given CMS recipient and/or bypass integrity validation for a given message. In one use case, an attacker may send a CMS message containing AuthEnvelopedData with the ciph

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:abe2dec6dbf7e2b9e152415a9ada5360510ed1be9bccafbbcb38a0e8515e87dc

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"},{"lessThan":"3.0.21","status":"affected","version":"3.0.0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:09fb68f8dd7aefe4e554decd1e9cfb4369422f38a2d4285072d8365735ebda45 · sha256:4192ab8521543a65… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:09fb68f8dd7aefe4e554decd1e9cfb4369422f38a2d4285072d8365735ebda45 · sha256:4192ab8521543a65… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-354","description":"CWE-354 Improper Validation of Integrity Check Value","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:09fb68f8dd7aefe4e554decd1e9cfb4369422f38a2d4285072d8365735ebda45 · sha256:4192ab8521543a65… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions

{"name":"3.0.21 git commit","tags":["patch"],"url":"https://github.com/openssl/openssl/commit/03c1f4d45fb963aee7d5833390c507cd290182bc"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:09fb68f8dd7aefe4e554decd1e9cfb4369422f38a2d4285072d8365735ebda45 · sha256:4192ab8521543a65… · /containers/cna/references/5

{"name":"3.6.3 git commit","tags":["patch"],"url":"https://github.com/openssl/openssl/commit/439ed7d2c0962ce964482727264668bf277c333f"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:09fb68f8dd7aefe4e554decd1e9cfb4369422f38a2d4285072d8365735ebda45 · sha256:4192ab8521543a65… · /containers/cna/references/2

{"name":"3.5.7 git commit","tags":["patch"],"url":"https://github.com/openssl/openssl/commit/7947e6a81eb8776802f159fb6762cb7fcf7e34c7"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:09fb68f8dd7aefe4e554decd1e9cfb4369422f38a2d4285072d8365735ebda45 · sha256:4192ab8521543a65… · /containers/cna/references/3

{"name":"4.0.1 git commit","tags":["patch"],"url":"https://github.com/openssl/openssl/commit/9fd97f8cfdc2c0be214998de3b2b55c8edf6c7ac"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:09fb68f8dd7aefe4e554decd1e9cfb4369422f38a2d4285072d8365735ebda45 · sha256:4192ab8521543a65… · /containers/cna/references/1

{"name":"3.4.6 git commit","tags":["patch"],"url":"https://github.com/openssl/openssl/commit/d2ca86bcd43e4f17d899f347101766b6107676e0"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:09fb68f8dd7aefe4e554decd1e9cfb4369422f38a2d4285072d8365735ebda45 · sha256:4192ab8521543a65… · /containers/cna/references/4

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

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:09fb68f8dd7aefe4e554decd1e9cfb4369422f38a2d4285072d8365735ebda45 · sha256:4192ab8521543a65… · /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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