# CVE-2026-1978

## Summary

- **CVE ID:** CVE-2026-1978
- **Severity:** MEDIUM
- **CVSS Score:** 6.9 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P)
- **CWE:** CWE-425
- **Published:** Feb 6, 2026
- **Last Modified:** Mar 12, 2026

## Description

A vulnerability was detected in kalyan02 NanoCMS up to 0.4. Affected by this issue is some unknown functionality of the file /data/pagesdata.txt of the component User Information Handler. Performing a manipulation results in direct request. It is possible to initiate the attack remotely. The exploit is now public and may be used. You should change the configuration settings.

## Affected Products

- kalyan02 — NanoCMS (0.1)
- kalyan02 — NanoCMS (0.2)
- kalyan02 — NanoCMS (0.3)
- kalyan02 — NanoCMS (0.4)

## References

- [CNA](https://vuldb.com/?id.344500)
- [CNA](https://vuldb.com/?ctiid.344500)
- [CNA](https://vuldb.com/?submit.743260)
- [CNA](https://github.com/kalyan02/NanoCMS/blob/master/data/pagesdata.txt)
- [CNA](https://github.com/kalyan02/NanoCMS/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.37%
- **EPSS Percentile:** 30.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._