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CVE-2026-22799

Emlog is an open source website building system. emlog v2.6.1 and earlier exposes a REST API endpoint (/index.php?rest-api=upload) for media file uploads. The endpoint fails to implement proper validation of file types, extensions, and content, allowing authenticated attackers (with a valid API key or admin session cookie) to upload arbitrary files (including malicious PHP scripts) to the server. An attacker can obtain the API key either by gaining administrator access to enable the REST API set
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a7756f3ad7ff84af18f5b3b26af8d4b71efcf7219856502b4526e34c7def8849
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"emlog","vendor":"emlog","versions":[{"status":"affected","version":"<= 2.6.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5899c36dbd9613b140c83f3b9e358eec276b131da3dd8a10c19e87f378cba104 · sha256:716be2ee79b879f9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","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:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5899c36dbd9613b140c83f3b9e358eec276b131da3dd8a10c19e87f378cba104 · sha256:716be2ee79b879f9… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-434","description":"CWE-434: Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5899c36dbd9613b140c83f3b9e358eec276b131da3dd8a10c19e87f378cba104 · sha256:716be2ee79b879f9… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/emlog/emlog/commit/429b02fda842254b9b9b39303e9161999c180560","tags":["x_refsource_MISC"],"url":"https://github.com/emlog/emlog/commit/429b02fda842254b9b9b39303e9161999c180560"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5899c36dbd9613b140c83f3b9e358eec276b131da3dd8a10c19e87f378cba104 · sha256:716be2ee79b879f9… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/emlog/emlog/security/advisories/GHSA-p837-mrw9-5x5j"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5899c36dbd9613b140c83f3b9e358eec276b131da3dd8a10c19e87f378cba104 · sha256:716be2ee79b879f9… · /containers/adp/0/references/0
{"name":"https://github.com/emlog/emlog/security/advisories/GHSA-p837-mrw9-5x5j","tags":["x_refsource_CONFIRM"],"url":"https://github.com/emlog/emlog/security/advisories/GHSA-p837-mrw9-5x5j"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5899c36dbd9613b140c83f3b9e358eec276b131da3dd8a10c19e87f378cba104 · sha256:716be2ee79b879f9… · /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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