Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-16723

A remote code execution (RCE) vulnerability exists in fastjson 1.2.68 through 1.2.83. This vulnerability is exploitable under fastjson's stock default configuration — no AutoType enablement required, no classpath gadget required.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:206b90d0cf9842ff2ed401f2a7deb152319f17ba5690963f92cea958725a937d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-20","description":"CWE-20 Improper input validation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:be3c876abc39e47d8fc95b6bb478843908a51d0f0dfc0a530d7e0c56f0de263c · sha256:fde0606c9885da5d… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-502","description":"CWE-502 Deserialization of untrusted data","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:be3c876abc39e47d8fc95b6bb478843908a51d0f0dfc0a530d7e0c56f0de263c · sha256:fde0606c9885da5d… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Fastjson","vendor":"Alibaba","versions":[{"lessThanOrEqual":"1.2.83","status":"affected","version":"1.2.68","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:be3c876abc39e47d8fc95b6bb478843908a51d0f0dfc0a530d7e0c56f0de263c · sha256:fde0606c9885da5d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:be3c876abc39e47d8fc95b6bb478843908a51d0f0dfc0a530d7e0c56f0de263c · sha256:fde0606c9885da5d… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-20","description":"CWE-20 Improper input validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:be3c876abc39e47d8fc95b6bb478843908a51d0f0dfc0a530d7e0c56f0de263c · sha256:fde0606c9885da5d… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-502","description":"CWE-502 Deserialization of untrusted data","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:be3c876abc39e47d8fc95b6bb478843908a51d0f0dfc0a530d7e0c56f0de263c · sha256:fde0606c9885da5d… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"tags":["vendor-advisory","mitigation"],"url":"https://github.com/alibaba/fastjson2/wiki/Security-Advisory:-Remote-Code-Execution-in-fastjson-1.2.68%E2%80%931.2.83"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:be3c876abc39e47d8fc95b6bb478843908a51d0f0dfc0a530d7e0c56f0de263c · sha256:fde0606c9885da5d… · /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.

← Back to CVE Explorer