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CVE

CVE-2025-68435

Zerobyte has Authentication Bypass by Primary Weakness
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CVE

CVE-2025-68435

Zerobyte has Authentication Bypass by Primary Weakness

Zerobyte is a backup automation tool Zerobyte versions prior to 0.18.5 and 0.19.0 contain an authentication bypass vulnerability where authentication middleware is not properly applied to API endpoints. This results in certain API endpoints being accessible without valid session credentials. This is dangerous for those who have exposed Zerobyte to be used outside of their internal network. A fix has been applied in both version 0.19.0 and 0.18.5. If immediate upgrade is not possible, restrict network access to the Zerobyte instance to trusted networks only using firewall rules or network segmentation. This is only a temporary mitigation; upgrading is strongly recommended.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.1
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68435.json, https://github.com/nicotsx/zerobyte/commit/13e080a18967705bd2b4e110e5f7693fdca1c692, https://github.com/nicotsx/zerobyte/issues/161, https://github.com/nicotsx/zerobyte/security/advisories/GHSA-x539-c98q-38gv, https://nvd.nist.gov/vuln/detail/CVE-2025-68435

Severity

9.1

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
9.1
EPSS Probability
0.00095%
EPSS Percentile
0.2694%
Introduced Version
0
Fix Available
cae615868af1ec017aac834a5c9c6df4d1a597ea

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