CVE-2026-9506
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThis vulnerability exists in Bagisto due to improper validation of user-supplied input in the ImageCacheController component. An unauthenticated remote attacker could exploit this vulnerability by sending crafted path traversal sequences through the filename parameter to access arbitrary files outside the intended directory on the targeted system. Successful exploitation of this vulnerability could allow an attacker to read arbitrary sensitive files on the targeted system.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceThis is a path traversal vulnerability in Bagisto's ImageCacheController where the filename parameter is not properly validated, allowing unauthenticated attackers to use crafted path traversal sequences (such as ../) to escape the intended directory and read arbitrary sensitive files on the system.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- Authentication
- X
- User interaction
- None
- Scope
- X
CVSS:4.0/AV:N/AC:L/AT:N/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
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify Bagisto installationSearch for Bagisto by checking for composer.json with 'bagisto/bagisto' in the project root, or look for the 'packages/Webkul' directory structure typical of Bagisto installationsAffected if Bagisto is not present in the environment
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Determine installed Bagisto versionCheck the composer.json file in the project root for the 'version' field under 'bagisto/bagisto', or inspect the VERSION file if present in the root directoryAffected if The installed version matches or falls within an affected range (if known)
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Locate ImageCacheControllerFind the ImageCacheController file in the codebase - typically located under packages/Webkul/Category/src/Http/Controllers/ or similar ImageCache related paths, or search for files containing 'ImageCacheController'Affected if The controller exists and is accessible in the codebase
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Verify vulnerability access pointIdentify the route mapping to ImageCacheController - check routes/web.php or routes/api.php for routes pointing to the ImageCache functionality, noting the URL pattern and any required parametersAffected if An unauthenticated route exists that accepts a filename parameter and passes it to the file reading logic
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Test for path traversal capabilitySend a crafted HTTP request to the ImageCache endpoint with a path traversal sequence such as '../../../../etc/passwd' or '../../../../.env' as the filename parameter, and check if the response contains file contents outside the cache directoryAffected if The application returns content from files outside the intended cache directory
The environment is affected if Bagisto is installed, the ImageCacheController is accessible via an unauthenticated route, and the filename parameter accepts path traversal sequences to read arbitrary files.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImplement strict input validation on the filename parameter to reject path traversal sequences and ensure files are only accessed within the intended directory boundaries.
- Consultation3.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2026-9506 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-9506 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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