CVE-2023-34110Flask-AppBuilder vulnerable to possible disclosure of sensitive information on user error
- 2.7LowCVSS base score
- 0.68%Exploitation in 30 daysEPSS · top 47% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Flask-AppBuilder is an application development framework, built on top of Flask. Prior to version 4.3.2, an authenticated malicious actor with Admin privileges, could by adding a special character on the add, edit User forms trigger a database error, this error is surfaced back to this actor on the UI. On certain database engines this error can include the entire user row including the pbkdf2:sha256 hashed password. This vulnerability has been fixed in version 4.3.2.
Timeline
ID reserved
By GitHub_M
- 28 days later
· 28 days later
Published
- 18 months later
· 18 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | Low2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N |
| NVDNVD · Modified | 3.1 | Low2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.68% · top 47% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.7.
Affected products
- affected < 4.3.2
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIFlask-AppBuilderGHSA-jhpr-j7cq-3jp3 (opens in a new tab)
References
References4
- https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-jhpr-j7cq-3jp3 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/dpgaspar/Flask-AppBuilder/pull/2045 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/dpgaspar/Flask-AppBuilder/commit/ae25ad4c87a9051ebe4a4e8f02aee73232642626 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/dpgaspar/Flask-AppBuilder/releases/tag/v4.3.2 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-0078 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-jhpr-j7cq-3jp3 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-34110)Record last updated .