CVE-2026-1978: kalyan02 NanoCMS User Information pagesdata.txt direct request

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-06 · updated 2026-06-17
Weakness: CWE-425

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: through 0.4

References

https://github.com/kalyan02/NanoCMS/
https://github.com/kalyan02/NanoCMS/blob/master/data/pagesdata.txt
https://vuldb.com/?ctiid.344500
https://vuldb.com/?id.344500
https://vuldb.com/?submit.743260

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