CVE-2026-42157
Last modified
CVE-2026-42157 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. Flowsint is an open-source OSINT graph exploration tool designed for cybersecurity investigation, transparency, and verification. Prior to 1.2.3, a remote attacker can create a map node with a malicious label that contains arbitrary HTML. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
Flowsint is an open-source OSINT graph exploration tool designed for cybersecurity investigation, transparency, and verification. Prior to 1.2.3, a remote attacker can create a map node with a malicious label that contains arbitrary HTML. When the map tab is selected and a map node marker is selected, it will render the arbitrary HTML, potentially triggering stored XSS. This vulnerability is fixed in 1.2.3.
Metrics
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-42157?
How severe is CVE-2026-42157?
How do I fix CVE-2026-42157?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-42150wlc is a Weblate command-line client using Weblate's REST AP…4.8
- CVE-2026-42151Prometheus is an open-source monitoring system and time seri…7.5
- CVE-2026-42153Coolify is an open-source and self-hostable tool for managin…8.8
- CVE-2026-42154Prometheus is an open-source monitoring system and time seri…7.5
- CVE-2026-42155Magento Long Term Support (LTS) is an unofficial, community-…9.3
- CVE-2026-42156Flowsint is an open-source OSINT graph exploration tool desi…7.1
- CVE-2026-42158Flowsint is an open-source OSINT graph exploration tool desi…2.3
- CVE-2026-42159Flowsint is an open-source OSINT graph exploration tool desi…5.4
- CVE-2026-4216A weakness has been identified in i-SENS SmartLog App up to …5.3
- CVE-2026-42160Data Space Portal is an open-source Software as a Service (S…10
- CVE-2026-42162Mahara before 25.04.5 and 26.04.0 is vulnerable to artefacts…9.1
- CVE-2026-42163Mahara before 25.04.5 and 26.04.0 is vulnerable to unauthori…9.8
Are you affected by CVE-2026-42157?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST