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CVE-2026-29954

In KubePlus 4.1.4, the mutating webhook and kubeconfiggenerator components have an SSRF vulnerability when processing the chartURL field of ResourceComposition resources. The field is only URL-encoded without validating the target address. More critically, when kubeconfiggenerator uses wget to download charts, the chartURL is directly concatenated into the command, allowing attackers to inject wget's `--header` option to achieve arbitrary HTTP header injection.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:14182533abb59a2e28c6ea689bc75386594b514d293ac674ea6844b6ae045fa9
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-918","description":"CWE-918 Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bdcbd6b55f096f9660368b17708a1f005520f18078f134056936480cea00867c · sha256:d8266106bc9a31e7… · /containers/adp/0/problemTypes/0/descriptions/0

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bdcbd6b55f096f9660368b17708a1f005520f18078f134056936480cea00867c · sha256:d8266106bc9a31e7… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-88","description":"CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bdcbd6b55f096f9660368b17708a1f005520f18078f134056936480cea00867c · sha256:d8266106bc9a31e7… · /containers/adp/0/problemTypes/1/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:bdcbd6b55f096f9660368b17708a1f005520f18078f134056936480cea00867c · sha256:d8266106bc9a31e7… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bdcbd6b55f096f9660368b17708a1f005520f18078f134056936480cea00867c · sha256:d8266106bc9a31e7… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-918","description":"CWE-918 Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bdcbd6b55f096f9660368b17708a1f005520f18078f134056936480cea00867c · sha256:d8266106bc9a31e7… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bdcbd6b55f096f9660368b17708a1f005520f18078f134056936480cea00867c · sha256:d8266106bc9a31e7… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-88","description":"CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:bdcbd6b55f096f9660368b17708a1f005520f18078f134056936480cea00867c · sha256:d8266106bc9a31e7… · /containers/adp/0/problemTypes/1/descriptions/0

Source references

2 source assertions
{"url":"https://gist.github.com/b0b0haha/33baea60fd2a847f11f1fb02e43c64c0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bdcbd6b55f096f9660368b17708a1f005520f18078f134056936480cea00867c · sha256:d8266106bc9a31e7… · /containers/cna/references/0
{"url":"https://github.com/b0b0haha/CVE-2026-29954/blob/main/README.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bdcbd6b55f096f9660368b17708a1f005520f18078f134056936480cea00867c · sha256:d8266106bc9a31e7… · /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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