CVE-2026-33401

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{"affected": [{"affectedData": [{"product": "Wallos", "vendor": "ellite", "versions": [{"status": "affected", "version": "< 4.7.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wallosapp:wallos:*:*:*:*:*:*:*:*", "matchCriteriaId": "7376DD5F-C93E-4454-810B-DE04B2DE7032", "versionEndExcluding": "4.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.7.0, the patch introduced in commit e8a513591 (CVE-2026-30840) added SSRF protection to notification test endpoints but left three additional attack surfaces unprotected: the AI Ollama host parameter, the AI recommendations endpoint, and the notification cron job. An authenticated user can reach internal network services, cloud metadata endpoints (AWS IMDSv1, GCP, Azure IMDS), or localhost-bound services by supplying a crafted URL to any of these endpoints. This issue has been patched in version 4.7.0."}, {"lang": "es", "value": "Wallos es un rastreador de suscripciones personales de c\u00f3digo abierto y autoalojable. Antes de la versi\u00f3n 4.7.0, el parche introducido en el commit e8a513591 (CVE-2026-30840) a\u00f1adi\u00f3 protecci\u00f3n SSRF a los puntos finales de prueba de notificaci\u00f3n, pero dej\u00f3 tres superficies de ataque adicionales desprotegidas: el par\u00e1metro de host de AI Ollama, el punto final de recomendaciones de AI y el trabajo cron de notificaci\u00f3n. Un usuario autenticado puede alcanzar servicios de red internos, puntos finales de metadatos en la nube (AWS IMDSv1, GCP, Azure IMDS) o servicios vinculados a localhost al proporcionar una URL manipulada a cualquiera de estos puntos finales. Este problema ha sido parcheado en la versi\u00f3n 4.7.0."}], "id": "CVE-2026-33401", "lastModified": "2026-06-17T10:37:25.750", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-33401", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-24T18:11:06.760588Z", "version": "2.0.3"}}]}, "published": "2026-03-24T18:16:11.467", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/ellite/Wallos/commit/e87387f0ebb540cd33e6dfda7181db9db650ecef"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/ellite/Wallos/commit/e8a513591"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/ellite/Wallos/security/advisories/GHSA-r82v-p8cg-rgx3"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.7.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Wallos", "source": "cna", "vendor": "ellite"}, "product": "wallos", "vendor": "ellite"}], "analysis": {"en": {"generated_at": "2026-03-26T22:39:41.730095+00:00", "value": {"mitigation_remediation": ["Upgrade Wallos to version 4.7.0 or later."], "summary": {"action": "Patch Now", "impact": "Remote Server Side Request Forgery exposing internal services"}, "threat_synthesis": {"affected_systems": "Wallos, an open\u2011source subscription tracker developed by ellite, is affected. Versions of the application prior to 4.7.0 are vulnerable because the SSRF guard was not applied to the three mentioned endpoints. The product is listed under the wallosapp:wallos CPE string. Any deployment of Wallos before the 4.7.0 release, especially when exposed to authenticated users, falls into risk.", "description_and_impact": "The vulnerability originates from an incomplete patch that left three SSRF vectors unprotected within Wallos. An authenticated user can supply a crafted URL to the AI Ollama host parameter, the AI recommendations endpoint, or the notification cron job, enabling them to force the server to resolve and contact arbitrary internal or cloud metadata services. This can expose sensitive environment data such as instance metadata, credentials or internal service traffic, compromising confidentiality and potentially facilitating lateral movement. The bug aligns with the standard SSRF weakness identified by CWE\u2011918.", "risk_and_exploitability": "The assessed CVSS score is 7.1, indicating a high severity impact, while the EPSS score of less than 1% and absence from the CISA KEV list suggest a lower current exploit probability. Nevertheless, because the flaw allows direct internal network access from an authenticated context, organizations should treat it as a moderate to high risk. Once the firmware is updated, the risk is mitigated; before that, limiting the scope of authenticated access or blocking the vulnerable endpoints will reduce exposure."}}}}, "created": "2026-03-25T11:46:51.308274+00:00", "updated": "2026-03-27T09:20:49.622412+00:00", "vendors": ["ellite", "ellite$PRODUCT$wallos"]}