Affects Reyrolle 7SR5 protection relays used in power substations; admin takeover can disrupt electrical operations and cause widespread outages.
CVE-2026-62650
RBAC bypass lets low-privileged web users gain admin on Reyrolle 7SR5
Is CVE-2026-62650 being exploited?
Not confirmed. CVE-2026-62650 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 0.32% probability of exploitation in the next 30 days.
How severe is CVE-2026-62650?
CVE-2026-62650 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-2026-62650?
Yes. A fix has been recorded for CVE-2026-62650. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-62650 affect?
CVE-2026-62650 affects Reyrolle 7SR5 (< V2.70), Electric power substation protection relays, Siemens Reyrolle 7SR5 web management interface. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-62650?
Upgrade to v2.70 or apply vendor mitigations
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated low-privileged attacker can bypass server-side RBAC to gain admin, modify relay configs, disrupt protection functions, or cause outages.
Immediate action required
- affected< V2.70
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.