PatchTheCVECVE-2026-116196: Rclone before v1.75.2 contains a credential exposure vulnerability in the b2 backend that leaks the live accou
CVE-2026-116196 is a medium-severity flaw (CVSS 5.3) affecting rclone. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Rclone before v1.75.2 contains a credential exposure vulnerability in the b2 backend that leaks the live account Authorization token and SSE-C keys on HTTP redirects from --b2-download-url hosts. Attackers can observe a same-host HTTPS-to-HTTP downgrade redirect to capture the cleartext B2 token, or receive cross-host redirects disclosing SSE-C customer encryption keys.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.1% (top 100%) |
| CISA exploited list | No |
| Weakness | CWE-319 |
| Published | 2026-10-25 |
| Last modified | 2026-10-27 |
Last updated 2026-10-27 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-116196?
rclone: upgrade to 1.75.2. Exact commands for each OS are on this page.
Is CVE-2026-116196 being exploited?
CVE-2026-116196 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-116196 affect?
CVE-2026-116196 affects rclone. Severity is medium (CVSS 5.3). Rclone before v1.75.2 contains a credential exposure vulnerability in the b2 backend that leaks the live account Authorization token and SSE-C keys on HTTP redirects from --b2-download-url hosts. Attackers can observe a same-host HTTPS-to-H
How urgent is CVE-2026-116196?
Priority 19/100. No elevated risk signals yet.
Related CVEs
- CVE-2026-116195 MEDIUM 6.1 UPGRADE Rclone before 1.75.2 contains a path traversal vulnerability in the local backend's translateLink function, wh
- CVE-2026-116194 MEDIUM 6.8 UPGRADE Rclone from 1.52.0 before 1.75.2 contains a cross-site request forgery vulnerability in the pCloud backend's l
- CVE-2026-116193 MEDIUM 5.3 UPGRADE Rclone from 1.64.0 before 1.75.2 contains an authentication bypass vulnerability in serve webdav that lets una
- CVE-2026-116192 MEDIUM 5.9 UPGRADE rclone from 1.37 before 1.74.2 contains a server-side request forgery vulnerability that allows unauthenticate
- CVE-2026-116191 HIGH 7.5 UPGRADE Rclone before 1.75.2 contains a path traversal vulnerability in serve webdav that allows unauthenticated attac