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CVE-2026-29905

Kirby CMS through 5.1.4 allows an authenticated user with 'Editor' permissions to cause a persistent Denial of Service (DoS) via a malformed image upload. The application fails to properly validate the return value of the PHP getimagesize() function. When the system attempts to process this file for metadata or thumbnail generation, it triggers a fatal TypeError.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:35bc32d84b1c509deb74fbae4ed9477452a0d6bd58724b63192ea15fff0df639
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:v2:99141ef0886abaa1cb3073e99c61e74c7d6fdbb9c55a1392796ac3e87cd72f4d · sha256:60e99645a4b0ef30… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-252","description":"CWE-252 Unchecked Return Value","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:99141ef0886abaa1cb3073e99c61e74c7d6fdbb9c55a1392796ac3e87cd72f4d · sha256:60e99645a4b0ef30… · /containers/adp/0/problemTypes/0/descriptions/0

{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:99141ef0886abaa1cb3073e99c61e74c7d6fdbb9c55a1392796ac3e87cd72f4d · sha256:60e99645a4b0ef30… · /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:v2:99141ef0886abaa1cb3073e99c61e74c7d6fdbb9c55a1392796ac3e87cd72f4d · sha256:60e99645a4b0ef30… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:99141ef0886abaa1cb3073e99c61e74c7d6fdbb9c55a1392796ac3e87cd72f4d · sha256:60e99645a4b0ef30… · /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:v2:99141ef0886abaa1cb3073e99c61e74c7d6fdbb9c55a1392796ac3e87cd72f4d · sha256:60e99645a4b0ef30… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-252","description":"CWE-252 Unchecked Return Value","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:99141ef0886abaa1cb3073e99c61e74c7d6fdbb9c55a1392796ac3e87cd72f4d · sha256:60e99645a4b0ef30… · /containers/adp/0/problemTypes/0/descriptions/0
{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:99141ef0886abaa1cb3073e99c61e74c7d6fdbb9c55a1392796ac3e87cd72f4d · sha256:60e99645a4b0ef30… · /containers/adp/0/problemTypes/1/descriptions/0

Source references

3 source assertions
{"url":"https://drive.google.com/file/d/1MwvvSYIwnC8kOIzjycGMQZw4d2K2ef8h/view?usp=sharing"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:99141ef0886abaa1cb3073e99c61e74c7d6fdbb9c55a1392796ac3e87cd72f4d · sha256:60e99645a4b0ef30… · /containers/cna/references/1
{"url":"https://github.com/Stalin-143/CVE-2026-29905"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:99141ef0886abaa1cb3073e99c61e74c7d6fdbb9c55a1392796ac3e87cd72f4d · sha256:60e99645a4b0ef30… · /containers/cna/references/2
{"url":"https://github.com/getkirby/kirby/releases/tag/5.2.0-rc.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:99141ef0886abaa1cb3073e99c61e74c7d6fdbb9c55a1392796ac3e87cd72f4d · sha256:60e99645a4b0ef30… · /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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