CVE-2026-77814
Path-check bug in Stable Diffusion WebUI allows directory-traversal and local file disclosure.
Is CVE-2026-77814 being exploited?
Not confirmed. CVE-2026-77814 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 0.41% probability of exploitation in the next 30 days.
How severe is CVE-2026-77814?
CVE-2026-77814 is rated High with a CVSS score of 8.7. 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-2026-77814?
Yes. A fix has been recorded for CVE-2026-77814. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-77814 affect?
CVE-2026-77814 affects Stable Diffusion WebUI (scripts/iib), Network-exposed WebUI deployments (share/ngrok/listen/server_name), Runs using IIB_ACCESS_CONTROL logic. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-77814?
Update to patched release; avoid public exposure and restrict access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote file disclosure: crafted paths bypass confinement and return arbitrary readable local files from network-exposed WebUI instances.
Patch when possible
- affected<= 1.8.0
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.