CVE-2026-45568
SSRF in zrok Python SDK ProxyShare allows attacker-controlled server-side requests.
Is CVE-2026-45568 being exploited?
Not confirmed. CVE-2026-45568 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 0.54% probability of exploitation in the next 30 days.
How severe is CVE-2026-45568?
CVE-2026-45568 is rated Critical with a CVSS score of 9.9. 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-2026-45568?
Yes. A fix has been recorded for CVE-2026-45568. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-45568 affect?
CVE-2026-45568 affects zrok Python SDK <2.0.3, ProxyShare Flask proxy route, Deployments using zrok SDK. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-45568?
Upgrade to zrok Python SDK v2.0.3+, validate/block untrusted URLs, restrict outbound requests.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Server-Side Request Forgery via absolute URL lets attackers make server-side requests to arbitrary hosts, access internal services, exfiltrate data, and pivot.
Immediate action required
- affected>= 0.4.47 and < 2.0.3
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.