CVE-2026-1978 kalyan02 NanoCMS User Information pagesdata.txt direct request
Remote attackers can directly access the pagesdata.txt file to disclose user information in NanoCMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1978?
CVE-2026-1978 is a medium-severity vulnerability in kalyan02 NanoCMS, published on 6 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-425
Which versions are affected by CVE-2026-1978?
It affects 1 product.
Products include Kalyan02 Nanocms.
How do I fix CVE-2026-1978?
No fix has been published for CVE-2026-1978 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-1978 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1978 exists.
Other vulnerabilities in kalyan02 NanoCMS
Sources
Also known as GHSA-cfcw-xxj2-5vrw.