CVE-2026-82285
Unauthenticated SSRF in bisheng callback endpoint enabling internal/cloud metadata access
Is CVE-2026-82285 being exploited?
Not confirmed. CVE-2026-82285 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 0.31% probability of exploitation in the next 30 days.
How severe is CVE-2026-82285?
CVE-2026-82285 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-2026-82285?
Yes. A fix has been recorded for CVE-2026-82285. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-82285 affect?
CVE-2026-82285 affects bisheng <= 2.6.0-fix2, POST /api/v1/workflow/report/callback endpoint. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-82285?
Upgrade to fixed release; add authentication and URL/host/scheme allowlist; block metadata endpoints.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated SSRF: attackers can probe internal services, read cloud metadata/credentials, and retrieve stored callback responses.
Immediate action required
- affected<= 2.6.0-fix2
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.