CVE-2026-49980
Unauthenticated GET/HEAD in rclone rcd can execute commands.
Is CVE-2026-49980 being exploited?
Not confirmed. CVE-2026-49980 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 0.74% probability of exploitation in the next 30 days.
How severe is CVE-2026-49980?
CVE-2026-49980 is rated Critical with a CVSS score of 9.8. 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-2026-49980?
Yes. A fix has been recorded for CVE-2026-49980. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-49980 affect?
CVE-2026-49980 affects rclone (rcd --rc-serve) versions 1.46.0–1.74.3. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-49980?
Upgrade to 1.74.3+
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via unauthenticated requests during backend init; attacker can run OS commands as the rclone process user.
Immediate action required
- affected>= 1.46.0 and < 1.74.3
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.