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CVE-2026-9349

A vulnerability was determined in calcom cal.diy up to 4.9.4. Affected by this issue is the function getServerSideProps of the file apps/web/modules/bookings/views/bookings-single-view.getServerSideProps.tsx of the component Generic React API. This manipulation of the argument cancelledBy/rescheduledBy causes information disclosure. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not r
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c5d6af33b1f7fbfb70a5247e0e59cbefa4df02ab24cf6f978ffd1914b92812b9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/metrics/0/cvssV4_0
cwe · 2 assertions

{"cweId":"CWE-284","description":"Improper Access Controls","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-200","description":"Information Disclosure","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:calcom:cal.diy:*:*:*:*:*:*:*:*"],"modules":["Generic React API"],"product":"cal.diy","vendor":"calcom","versions":[{"status":"affected","version":"4.9.0"},{"status":"affected","version":"4.9.1"},{"status":"affected","version":"4.9.2"},{"status":"affected","version":"4.9.3"},{"status":"affected","version":"4.9.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-284","description":"Improper Access Controls","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-200","description":"Information Disclosure","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"tags":["exploit"],"url":"https://gist.github.com/YLChen-007/b59c44d1550c4b0f373ca4eb1c150994"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/references/3
{"name":"Submit #812177 | cal.com <= v4.9.4 Exposure of Sensitive Information (CWE-200)","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/812177"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/references/2
{"name":"VDB-365312 | calcom cal.diy Generic React API bookings-single-view.getServerSideProps.tsx getServerSideProps information disclosure","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/365312"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /containers/cna/references/0
{"name":"VDB-365312 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/365312/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6e71eaeec977da76341f18651219b62dc508668abc49fb3f060662ac75b81e99 · sha256:61720babe593de2b… · /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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