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Medium 4.5Published Oct 9, 2026

CVE-2026-107856CiviForm: Trusted-Intermediary IDOR discloses any citizen's name and email

Updated under an hour ago ()

Does this affect you?

It affects civiform. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

CiviForm simplifies applications for government benefits programs by reusing applicant data across multiple benefit applications. Prior to 3.33.0, GET /admin/tiDash/editClientForm/:accountId verifies that the requester is a Trusted Intermediary but showEditClientForm performs a raw lookupAccount(accountId) without confirming that the citizen account belongs to the requester's trustedIntermediaryGroup. An authenticated Trusted Intermediary can enumerate accountId values and read the applicant display name, including the citizen's name and email address, for accounts outside the intermediary's group. This issue is fixed in version 3.33.0.

CVSS
4.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-639
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
GitHub_M
NVD analysis
Awaiting Analysis
Record last updated
Oct 13, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
civiform civiform
civiform:civiform (from the name)
before 3.33.0
CNA record

References

  • x-refsource-confirm
  • x-refsource-misc
  • x-refsource-misc
  • x-refsource-misc

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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