CVE-2026-77142
Missing server-side ownership check allows unauthorized edits to company records
Is CVE-2026-77142 being exploited?
Not confirmed. CVE-2026-77142 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 0.24% probability of exploitation in the next 30 days.
How severe is CVE-2026-77142?
CVE-2026-77142 is rated High with a CVSS score of 8.8. 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-2026-77142?
Yes. A fix has been recorded for CVE-2026-77142. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-77142 affect?
CVE-2026-77142 affects Custom web apps with public company edit forms, Self-service company directories, CRMs/CMS using client-side visibility flags. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-77142?
Enforce server-side ownership/authorization on write endpoints; restrict public writes.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attackers can submit crafted requests to overwrite company records (data tampering, impersonation) without ownership verification.
Immediate action required
- affected>= 8.0.0 and < 8.1.2
- affected>= 7.0.0 and < 7.0.3
- affected< 6.1.6
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.