How to Fix CVE-2026-42517: e-Sushrut, Hospital Management Information System (HMIS) (Bundle Sibling)
By Sai Kiran Pandrala
Last verified: 2026-05-25
CVE-2026-42517 is a sibling vulnerability in the same vendor advisory as CVE-2026-42513. Applying the patched build named in the primary write-up closes this CVE as well.
| Severity | CVSS 7.1 - High |
|---|---|
| Actively exploited? | Not currently in CISA KEV |
| Affected | Same as the bundle - see CVE-2026-42513 |
| Fixed in | Same patched build as CVE-2026-42513 (See vendor advisory) |
| Type (CWE) | CWE-639: CWE-639 Authorization bypass through User-Controlled key |
What's different about CVE-2026-42517?
This vulnerability exists in e-Sushrut due to the use of reversible Base64 encoding for protecting sensitive data. An authenticated attacker could exploit this vulnerability by decoding and manipulating Base64-encoded parameters in the request URL to gain unauthorized access to sensitive information on the targeted system.
The technical impact and remediation are identical to the primary CVE in the bundle. The same vendor patch closes both.
How to fix CVE-2026-42517
Apply the patched build per the primary write-up: How to Fix CVE-2026-42513.
The patch installation procedure, verification commands, and interim mitigations are documented there. Reusing one runbook keeps the rollout consistent across the bundle.
Frequently asked questions
Is CVE-2026-42517 fixed by the same patch as CVE-2026-42513?
Yes. CVE-2026-42517 ships in the same vendor advisory as CVE-2026-42513. Applying the patched build named in the primary write-up closes both.
What is the CVSS score for CVE-2026-42517?
The CVSS base score is 7.1 (High).
Is it being exploited?
It is not currently listed in CISA KEV.
References
- Official vendor advisory: https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2026-0207
- NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2026-42517
- CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- Primary write-up: How to Fix CVE-2026-42513
*Part of the e-Sushrut, Hospital Management Information System (HMIS) bundle. Full procedure at CVE-2026-42513.*