appsmithorg appsmith Dashboard WebClientUtils.java computeDisallowedHosts server-side request forgery
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability was identified in appsmithorg appsmith up to 1.97. Impacted is the function computeDisallowedHosts of the file app/server/appsmith-interfaces/src/main/java/com/appsmith/util/WebClientUtils.java of the component Dashboard. Such manipulation leads to server-side request forgery. The attack may be launched remotely. The exploit is publicly available and might be used. Upgrading to version 1.99 is recommended to address this issue. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| appsmithorg | appsmith | 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; 1.10; 1.11; 1.12; 1.13; 1.14; 1.15; 1.16; 1.17; 1.18; 1.19; 1.20; 1.21; 1.22; 1.23; 1.24; 1.25; 1.26; 1.27; 1.28; 1.29; 1.30; 1.31; 1.32; 1.33; 1.34; 1.35; 1.36; 1.37; 1.38; 1.39; 1.40; 1.41; 1.42; 1.43; 1.44; 1.45; 1.46; 1.47; 1.48; 1.49; 1.50; 1.51; 1.52; 1.53; 1.54; 1.55; 1.56; 1.57; 1.58; 1.59; 1.60; 1.61; 1.62; 1.63; 1.64; 1.65; 1.66; 1.67; 1.68; 1.69; 1.70; 1.71; 1.72; 1.73; 1.74; 1.75; 1.76; 1.77; 1.78; 1.79; 1.80; 1.81; 1.82; 1.83; 1.84; 1.85; 1.86; 1.87; 1.88; 1.89; 1.90; 1.91; 1.92; 1.93; 1.94; 1.95; 1.96; 1.97 | 1.99 | Patch available | CNA |
- appsmith Vendorappsmithorg Affected 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; 1.10; 1.11; 1.12; 1.13; 1.14; 1.15; 1.16; 1.17; 1.18; 1.19; 1.20; 1.21; 1.22; 1.23; 1.24; 1.25; 1.26; 1.27; 1.28; 1.29; 1.30; 1.31; 1.32; 1.33; 1.34; 1.35; 1.36; 1.37; 1.38; 1.39; 1.40; 1.41; 1.42; 1.43; 1.44; 1.45; 1.46; 1.47; 1.48; 1.49; 1.50; 1.51; 1.52; 1.53; 1.54; 1.55; 1.56; 1.57; 1.58; 1.59; 1.60; 1.61; 1.62; 1.63; 1.64; 1.65; 1.66; 1.67; 1.68; 1.69; 1.70; 1.71; 1.72; 1.73; 1.74; 1.75; 1.76; 1.77; 1.78; 1.79; 1.80; 1.81; 1.82; 1.83; 1.84; 1.85; 1.86; 1.87; 1.88; 1.89; 1.90; 1.91; 1.92; 1.93; 1.94; 1.95; 1.96; 1.97 Fixed in 1.99 Patch available CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:appsmith:appsmith:*:*:*:*:*:*:*:* | — | — | appsmithorg |
- cpe:2.3:a:appsmith:appsmith:*:*:*:*:*:*:*:* Versions — — ·appsmithorg
Remediation
- Fix · CNA appsmith (appsmithorg) Fixed in 1.99
Timeline
- 2026-10-02 Threatist record created from CVE-2026-5418
- 2026-10-03 Alias added: GHSA-jwc6-82xv-8pp5
References
More appsmithorg vulnerabilities
- TI-2026-40018 Appsmith: Caddy admin API exposed without authentication CVSS 3.1CRITICAL 9.9
- TI-2026-18312 Account Takeover Vulnerability in Appsmith CVSS 3.1CRITICAL 9.7
- TI-2026-36948 Appsmith: RCE via Supervisord XML-RPC Admin Interface Exposed via /supervisor Caddy Route CVSS 4.0HIGH 8.9
- TI-2026-23691 Critical Stored XSS & Privilege Escalation in Appsmith CVSS 3.1CRITICAL 9.1
- TI-2024-34357 AppSmith Community 1.8.3 before 1.46 allows SSRF via New DataSource for application/json… CVSS 3.1HIGH 8.5
- TI-2022-03744 Server-Side Request Forgery (SSRF) in appsmithorg/appsmith CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-5418 · CVE Program
- CVE-2026-5418 · NVD
- FIRST EPSS
- GHSA-jwc6-82xv-8pp5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences