CVE-2026-30840

Wallos: Server-Side Request Forgery (SSRF) in Notification Testers

HIGH
8.8
CVSS Score
Published: March 7, 2026 at 05:39 AM UTC
Updated: June 17, 2026 at 10:33 AM UTC
2 products affected across 2 vendorsWallosWallos

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.6.2, there is a server-side request forgery vulnerability in notification testers. This issue has been patched in version 4.6.2.

Affected

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

v < 4.6.2
v < 4.6.2
Affected range stops below 4.6.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

x_refsource_CONFIRMExploitMitigationVendor Advisory
Source: cverecord
https://github.com/ellite/Wallos/security/advisories/GHSA-mr2c-prqv-hqm8
x_refsource_MISCRelease Notes
Source: cverecord
https://github.com/ellite/Wallos/releases/tag/v4.6.2

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

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

CVSS

8.8HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-918CWE-295

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