# CVE-2026-42518: Information Disclosure Vulnerability in e-Sushrut HMIS

> Unauthenticated attackers can extract hardcoded AES keys from client-side JavaScript to expose sensitive data and bypass cryptographic protections.

- **Severity:** High 8.7 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 29 Apr 2026
- **Updated:** 29 Apr 2026
- **Also known as:** GHSA-f6hw-3rgq-5rhv

## What is CVE-2026-42518?

CVE-2026-42518 is a high-severity vulnerability in CDAC-Noida e-Sushrut, Hospital Management Information System (HMIS), published on 29 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

This vulnerability exists in e-Sushrut due to disclosure of sensitive information and hardcoded AES encryption keys in client-side JavaScript. An unauthenticated remote attacker could exploit this vulnerability by accessing the client-side code to extract sensitive information and cryptographic keys.

Successful exploitation of this vulnerability could lead to exposure of sensitive data and compromise of cryptographic protections on the targeted system.

Weakness: CWE-321 (Use of Hard-coded Cryptographic Key)

## Which versions are affected by CVE-2026-42518?


## How do I fix CVE-2026-42518?

No fix has been published for CVE-2026-42518 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-42518 being exploited?

There is no known exploitation of CVE-2026-42518 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-42518 and fix it if it is affected.

What it is: CVE-2026-42518 is a high-severity vulnerability in CDAC-Noida e-Sushrut, Hospital Management Information System (HMIS), published on 29 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-42518 in the wild and no public exploit code.

Affected product: CDAC-Noida e-Sushrut, Hospital Management Information System (HMIS). 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-2026-42518/ (Markdown: https://insights.sbomify.com/CVE-2026-42518/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-42518
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-42518
- OSV: https://osv.dev/vulnerability/CVE-2026-42518

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-42518/
Summaries are generated and may contain mistakes; the official description above is the record.