CVE-2026-35459
CRITICAL SSRF bypass enables RCE via internal redirects in pyLoad.
Is CVE-2026-35459 being exploited?
Not confirmed. CVE-2026-35459 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 0.28% probability of exploitation in the next 30 days.
How severe is CVE-2026-35459?
CVE-2026-35459 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-2026-35459?
Yes. A fix has been recorded for CVE-2026-35459. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-35459 affect?
CVE-2026-35459 affects pyLoad <= 0.5.0b3.dev96. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-35459?
Upgrade to 0.5.0b3.dev96 or newer; validate redirects.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated user can bypass SSRF filter by redirecting to internal addresses, enabling remote code execution.
Patch when possible
- affected<= 0.5.0b3.dev96
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.