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CVE-2026-25834

Mbed TLS v3.3.0 up to 3.6.5 and 4.0.0 allows Algorithm Downgrade.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5c99a7ad72c13f4da906bd7dbaeedafbca4c2a473209f9f0bed18bca76c0e641
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a8aa45a8141e987265d67cb768a7a3af0ac30b8e09ae74dc20990f98d374f18 · sha256:ac77316a06053aa8… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-327","description":"CWE-327 Use of a Broken or Risky Cryptographic Algorithm","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a8aa45a8141e987265d67cb768a7a3af0ac30b8e09ae74dc20990f98d374f18 · sha256:ac77316a06053aa8… · /containers/adp/0/problemTypes/1/descriptions/0

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a8aa45a8141e987265d67cb768a7a3af0ac30b8e09ae74dc20990f98d374f18 · sha256:ac77316a06053aa8… · /containers/adp/0/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:v2:6a8aa45a8141e987265d67cb768a7a3af0ac30b8e09ae74dc20990f98d374f18 · sha256:ac77316a06053aa8… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6a8aa45a8141e987265d67cb768a7a3af0ac30b8e09ae74dc20990f98d374f18 · sha256:ac77316a06053aa8… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a8aa45a8141e987265d67cb768a7a3af0ac30b8e09ae74dc20990f98d374f18 · sha256:ac77316a06053aa8… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-327","description":"CWE-327 Use of a Broken or Risky Cryptographic Algorithm","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a8aa45a8141e987265d67cb768a7a3af0ac30b8e09ae74dc20990f98d374f18 · sha256:ac77316a06053aa8… · /containers/adp/0/problemTypes/1/descriptions/0
{"cweId":"CWE-295","description":"CWE-295 Improper Certificate Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a8aa45a8141e987265d67cb768a7a3af0ac30b8e09ae74dc20990f98d374f18 · sha256:ac77316a06053aa8… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://mbed-tls.readthedocs.io/en/latest/security-advisories/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6a8aa45a8141e987265d67cb768a7a3af0ac30b8e09ae74dc20990f98d374f18 · sha256:ac77316a06053aa8… · /containers/cna/references/0
{"url":"https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-sigalg-injection/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6a8aa45a8141e987265d67cb768a7a3af0ac30b8e09ae74dc20990f98d374f18 · sha256:ac77316a06053aa8… · /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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