CVE-2026-4528trueleaf ApiFlow URL Validation http_proxy.service.ts validateUrlSecurity server-side request forgery
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A vulnerability was determined in trueleaf ApiFlow 0.9.7. The impacted element is the function validateUrlSecurity of the file packages/server/src/service/proxy/http_proxy.service.ts of the component URL Validation Handler. This manipulation causes server-side request forgery. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.
- CVSS
- 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-918
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Mar 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
trueleaf ApiFlow trueleaf:apiflow (from the name) | 0.9.7 | CNA record |
References
- https://vuldb.com/?id.352316vdb-entry, technical-description
- https://vuldb.com/?ctiid.352316signature, permissions-required
- https://vuldb.com/?submit.784197third-party-advisory
- https://www.notion.so/Server-Side-Request-Forgery-SSRF-in-ApiFlow-329ea92a3c4180489df2fa2702078fe5exploit
The CVE record on cve.org NVD's entry
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.