CVE-2026-1978

Name: CVE-2026-1978
Creator: NVD / NIST
Published: 2026-02-06T05:16:10.17+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.36%

Last modified Jun 17, 2026

CVE-2026-1978 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS 4.0

5.5/10

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/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

EPSS Probability

0.36%

27.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-425

Affected Software

Vendor	Product	Versions
Kalyan02	Nanocms	<= 0.4

References

https://github.com/kalyan02/NanoCMS/Product
https://github.com/kalyan02/NanoCMS/blob/master/data/pagesdata.txtProduct
https://vuldb.com/?ctiid.344500Permissions Required, VDB Entry
https://vuldb.com/?id.344500Third Party Advisory, VDB Entry
https://vuldb.com/?submit.743260Third Party Advisory, VDB Entry

Timeline

Published: Feb 6, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-1978?

How severe is CVE-2026-1978?

CVE-2026-1978 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2026-1978?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-1978?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST