CVE-2026-3107
Stored XSS in Teampass before 3.1.5.16 via password import.
Is CVE-2026-3107 being exploited?
Not confirmed. CVE-2026-3107 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.13% probability of exploitation in the next 30 days.
How severe is CVE-2026-3107?
CVE-2026-3107 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-3107?
Yes. A fix has been recorded for CVE-2026-3107. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-3107 affect?
CVE-2026-3107 affects Teampass <= 3.1.5.15. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-3107?
Upgrade to 3.1.5.16+; validate/import data; re-scan for XSS.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Stored XSS allows executing arbitrary JS in user/admin sessions via imported passwords; risks session hijack and credential theft.
Patch when possible
- affected<= 3.1.5.16
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.