CVE-2026-90843: A security vulnerability has been detected in SabyasachiRana WebMap up to 8b95fe4dc301a3c09ddf145b895de0bf9f8d

This month

HIGH 8.3REMOTE

CVE-2026-90843 is a high-severity flaw (CVSS 8.3) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A security vulnerability has been detected in SabyasachiRana WebMap up to 8b95fe4dc301a3c09ddf145b895de0bf9f8d2a25. This affects the function nmap_newscan of the file functions_nmap.py of the component New Nmap Scan Handler. Such manipulation of the argument target/params leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The name of the patch is 3d52f65803a2716bff14d938352

Why this priority

High severity
CISA SSVC: public proof of concept
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.2% (top 18%)
CISA exploited list	No
Weakness	CWE-77, CWE-78
Published	2026-09-15
Last modified	2026-09-16

Publisher (CNA): VulDB

Last updated 2026-09-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-09-15 01:16 UTCPublished CVE record published
2026-09-16 17:18 UTCUpdated Record last modified

Exact fixes by distribution

Fedora 46 · python3.11 · FIXED · 3.11.18-1.fc46 · FEDORA-2026-cc775894f4 · source

sudo dnf upgrade --advisory=FEDORA-2026-cc775894f4

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: calledstriker.gitbook.io/blog/security-research/webmap

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-90843?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-90843 being exploited?

CVE-2026-90843 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-90843 affect?

CVE-2026-90843 affects affected software. Severity is high (CVSS 8.3). A security vulnerability has been detected in SabyasachiRana WebMap up to 8b95fe4dc301a3c09ddf145b895de0bf9f8d2a25. This affects the function nmap_newscan of the file functions_nmap.py of the component New Nmap Scan Handler. Such manipulati

How urgent is CVE-2026-90843?

Priority 58/100. High severity; CISA SSVC: public proof of concept; Remotely exploitable, no login, no user action

References

← Back to latest CVEs