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CVE-2026-5418

appsmithorg appsmith Dashboard WebClientUtils.java computeDisallowedHosts server-side request forgery

HIGH

7.3

CVSS Score

Published: April 2, 2026 at 06:30 PM UTC

Updated: July 24, 2026 at 08:20 PM UTC

2 products affected across 2 vendorsAppsmithAppsmith

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Severity

HIGH7.3

Exploit prediction

EPSS 0.3%

SSVC

PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Appsmith · Appsmith

95%

All versions

Appsmith · Appsmithorg

60%

1.0 1.1 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.2 1.20 1.21 1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.3 1.30 1.31 1.32 1.33 1.34 1.35 1.36 1.37 1.38 1.39 1.4 1.40 1.41 1.42 1.43 1.44 1.45 1.46 1.47 1.48 1.49 1.5 1.50 1.51 1.52 1.53 1.54 1.55 1.56 1.57 1.58 1.59 1.6 1.60 1.61 1.62 1.63 1.64 1.65 1.66 1.67 1.68 1.69 1.7 1.70 1.71 1.72 1.73 1.74 1.75 1.76 1.77 1.78 1.79 1.8 1.80 1.81 1.82 1.83 1.84 1.85 1.86 1.87 1.88 1.89 1.9 1.90 1.91 1.92 1.931.941.95 1.96 1.97

Vendor states this is fixed in 1.99 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description

Source: cverecord

https://vuldb.com/vuln/354855

SignaturePermissions Required

Source: cverecord

https://vuldb.com/vuln/354855/cti

Third Party Advisory

Source: cverecord

https://vuldb.com/submit/780190

Exploit

Source: cverecord

https://github.com/appsmithorg/appsmith/security/advisories/GHSA-9m89-5jw7-q5cr

Product

Source: cverecord

https://github.com/appsmithorg/appsmith/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-918

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