Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-52840

Easy!Appointments is a self hosted appointment scheduler. In versions prior to 1.6.0, `Caldav::connect_to_server` at `application/controllers/Caldav.php:60` hands the request's `caldav_url` to a Guzzle `REPORT` call without scheme or host validation. A logged-in backend user (admin, provider, or secretary) reaches loopback, RFC1918, and link-local hosts on the deployment's network. The Guzzle exception path returns the upstream status code plus ~120 bytes of response body in the JSON `message` f
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f0aa58c3efb18437852727f450a4dc4599aa2bf309116a86ac11c1c4ec7b0d7a
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"easyappointments","vendor":"alextselegidis","versions":[{"status":"affected","version":"< 1.6.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ff74e150c12aefd32240d8a8cea726fee2b76048f23127a11d8dd8e623efaed4 · sha256:63e3371de38a1fb2… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":2.7,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ff74e150c12aefd32240d8a8cea726fee2b76048f23127a11d8dd8e623efaed4 · sha256:63e3371de38a1fb2… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"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:ff74e150c12aefd32240d8a8cea726fee2b76048f23127a11d8dd8e623efaed4 · sha256:63e3371de38a1fb2… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/alextselegidis/easyappointments/commit/6eb9336a91cfb276379506625e81f5bd9ed3a536","tags":["x_refsource_MISC"],"url":"https://github.com/alextselegidis/easyappointments/commit/6eb9336a91cfb276379506625e81f5bd9ed3a536"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff74e150c12aefd32240d8a8cea726fee2b76048f23127a11d8dd8e623efaed4 · sha256:63e3371de38a1fb2… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-pm5p-7w5h-jm5q"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff74e150c12aefd32240d8a8cea726fee2b76048f23127a11d8dd8e623efaed4 · sha256:63e3371de38a1fb2… · /containers/adp/0/references/0
{"name":"https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-pm5p-7w5h-jm5q","tags":["x_refsource_CONFIRM"],"url":"https://github.com/alextselegidis/easyappointments/security/advisories/GHSA-pm5p-7w5h-jm5q"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ff74e150c12aefd32240d8a8cea726fee2b76048f23127a11d8dd8e623efaed4 · sha256:63e3371de38a1fb2… · /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