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CVE-2026-46618

Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.23.0, before the round-1 security sweep, pkg/builder/builder.go passed Environment.spec.builder.command directly into exec.Command(...) after a strings.Fields split, with no validation of the executable path or its arguments. A user who could create or update Environment CRDs in a namespace observed by the buildermgr could thereby point
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:44cb5bba80f4f08787922761f4105845f9231d546accc96cf247dcc61099fa55
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

{"cweId":"CWE-269","description":"CWE-269: Improper Privilege Management","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9571bedaf96986753d3865a58b26c465871a9a903bfc2435b086088c2633ea0b · sha256:01de8ca0384703c2… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9571bedaf96986753d3865a58b26c465871a9a903bfc2435b086088c2633ea0b · sha256:01de8ca0384703c2… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-250","description":"CWE-250: Execution with Unnecessary Privileges","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9571bedaf96986753d3865a58b26c465871a9a903bfc2435b086088c2633ea0b · sha256:01de8ca0384703c2… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"fission","vendor":"fission","versions":[{"status":"affected","version":"< 1.23.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9571bedaf96986753d3865a58b26c465871a9a903bfc2435b086088c2633ea0b · sha256:01de8ca0384703c2… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9571bedaf96986753d3865a58b26c465871a9a903bfc2435b086088c2633ea0b · sha256:01de8ca0384703c2… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

3 source assertions
{"cweId":"CWE-269","description":"CWE-269: Improper Privilege Management","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9571bedaf96986753d3865a58b26c465871a9a903bfc2435b086088c2633ea0b · sha256:01de8ca0384703c2… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9571bedaf96986753d3865a58b26c465871a9a903bfc2435b086088c2633ea0b · sha256:01de8ca0384703c2… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-250","description":"CWE-250: Execution with Unnecessary Privileges","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9571bedaf96986753d3865a58b26c465871a9a903bfc2435b086088c2633ea0b · sha256:01de8ca0384703c2… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/fission/fission/pull/3364","tags":["x_refsource_MISC"],"url":"https://github.com/fission/fission/pull/3364"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9571bedaf96986753d3865a58b26c465871a9a903bfc2435b086088c2633ea0b · sha256:01de8ca0384703c2… · /containers/cna/references/1
{"name":"https://github.com/fission/fission/releases/tag/v1.23.0","tags":["x_refsource_MISC"],"url":"https://github.com/fission/fission/releases/tag/v1.23.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9571bedaf96986753d3865a58b26c465871a9a903bfc2435b086088c2633ea0b · sha256:01de8ca0384703c2… · /containers/cna/references/2
{"name":"https://github.com/fission/fission/security/advisories/GHSA-7pjr-qpvh-m339","tags":["x_refsource_CONFIRM"],"url":"https://github.com/fission/fission/security/advisories/GHSA-7pjr-qpvh-m339"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9571bedaf96986753d3865a58b26c465871a9a903bfc2435b086088c2633ea0b · sha256:01de8ca0384703c2… · /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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