EUVD-2026-36548Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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
Network-accessible endpoint requires authenticated low-privilege access (PR:L); write-only filesystem impact (I:L) with no confidentiality or availability effect and no scope change.
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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
Lifecycle Timeline
2DescriptionCVE.org
Actual is an open-source personal finance application. Prior to version 26.5.0, several endpoints are affected by a path traversal vulnerability. Version 26.5.0 fixes the issue.
AnalysisAI
Path traversal across multiple endpoints in Actual, the open-source self-hosted personal finance application, allows authenticated low-privilege users to write files outside intended server directories in all versions prior to 26.5.0. The CVSS 4.0 vector confirms network-accessible exploitation with low-privilege authentication required and impact limited to write operations on the vulnerable system only - no confidentiality or availability impact is indicated. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The CVSS 4.0 vector (PR:L) confirms that exploitation requires low-privilege authenticated access to the Actual Budget application - unauthenticated attackers cannot exploit this vulnerability directly. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N) scores 5.3, indicating a medium-severity issue with low complexity but a meaningful authentication barrier (PR:L). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An authenticated user of a publicly exposed Actual Budget instance (pre-26.5.0) sends a crafted HTTP request to one of the vulnerable API endpoints, embedding path traversal sequences (e.g., '../../etc/cron.d/backdoor') in a path parameter. The server fails to canonicalize or restrict the supplied path, allowing the attacker to write arbitrary content to a location outside the intended data directory on the host filesystem. … |
| Remediation | Upgrade Actual Budget to version 26.5.0 or later, which resolves the path traversal vulnerability per the vendor security advisory GHSA-4wf8-vhhr-4gpv (https://github.com/actualbudget/actual/security/advisories/GHSA-4wf8-vhhr-4gpv). … Detailed patch versions, workarounds, and compensating controls in full report. |
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