EUVD-2026-68804Severity by source
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Authentication required per description sets PR:L not PR:N; SSRF yields read-only confidentiality impact with no integrity or availability effect and no scope change.
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
Lifecycle Timeline
4DescriptionCVE.org
Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.6, POST /endpoints/notifications/testemailnotifications.php accepts smtpaddress and smtpport from POST body with zero SSRF validation. PHPMailer connects to attacker-supplied host:port. Every other notification endpoint uses ssrf_helper.php but email was missed. Any authenticated user can probe internal network, cloud metadata. This issue has been patched in version 4.9.6.
Articles & Coverage 1
AnalysisAI
Server-side request forgery in Wallos prior to version 4.9.6 enables authenticated users to force the server's PHPMailer instance to connect to any attacker-specified host and port by supplying crafted smtpaddress and smtpport values to the test email notification endpoint. The flaw is a coverage gap - every other notification endpoint applies the application's ssrf_helper.php guard, but testemailnotifications.php was omitted. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid authenticated session on the target Wallos instance - any registered user account suffices, administrator privileges are not required. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The supplied CVSS 4.0 score of 8.2 with PR:N (no privileges required) directly conflicts with the CVE description, which states 'any authenticated user' - the correct metric should be PR:L, which would lower the effective score and materially change the risk profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade Wallos to version 4.9.6 or later, released 2026-06-22 and available at https://github.com/ellite/Wallos/releases/tag/v4.9.6. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Wallos deployments and confirm current versions. …
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External POC / Exploit Code
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