# CVE-2026-48353: CAI Content Credentials | Improper Input Validation (CWE-20)

> An attacker can read sensitive files outside the intended scope by tricking a user into opening a malicious file with the Content Credentials tool.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 14 Jul 2026
- **Updated:** 27 Aug 2026
- **Also known as:** GHSA-c279-wrgp-v9mg

## What is CVE-2026-48353?

CVE-2026-48353 is a medium-severity path traversal vulnerability in Adobe C2pa, published on 14 Jul 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

CAI Content Credentials is affected by an Improper Input Validation vulnerability that could lead to arbitrary file system read. An attacker could exploit this vulnerability to access sensitive files and directories outside the intended access scope. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2026-48353?

It affects 3 products.


Products: Adobe C2pa, Adobe C2pa-Web, Adobe C2patool.

## How do I fix CVE-2026-48353?

No fix has been published for CVE-2026-48353 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-48353 being exploited?

There is no known exploitation of CVE-2026-48353 in the wild and no public exploit code.

## Other vulnerabilities in Adobe C2pa

- [CVE-2026-95634](https://insights.sbomify.com/CVE-2026-95634/): CAI Content Credentials | Server-Side Request Forgery (SSRF) (CWE-918) (high 8.6)
- [CVE-2026-48290](https://insights.sbomify.com/CVE-2026-48290/): CAI Content Credentials | Server-Side Request Forgery (SSRF) (CWE-918) (high 8.2)
- [CVE-2026-100113](https://insights.sbomify.com/CVE-2026-100113/): CAI Content Credentials | Improper Input Validation (CWE-20) (high 7.5)
- [CVE-2026-100114](https://insights.sbomify.com/CVE-2026-100114/): CAI Content Credentials | Improper Access Control (CWE-284) (high 7.5)
- [CVE-2026-100115](https://insights.sbomify.com/CVE-2026-100115/): CAI Content Credentials | Improper Access Control (CWE-284) (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-48353 and fix it if it is affected.

What it is: CVE-2026-48353 is a medium-severity path traversal vulnerability in Adobe C2pa, published on 14 Jul 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-48353 in the wild and no public exploit code.

Affected product: Adobe C2pa. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-48353/ (Markdown: https://insights.sbomify.com/CVE-2026-48353/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-48353
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-48353
- OSV: https://osv.dev/vulnerability/CVE-2026-48353

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-48353/
Summaries are generated and may contain mistakes; the official description above is the record.