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Fencer Vulns
medium 6.8

CVE-2025-62879 json

Rancher Backup Operator pod's logs leak S3 tokens

published 2026-03-03 8 mo ago modified 2026-09-10 1 mo ago also GHSA-wj3p-5h3x-c74q , GO-2026-4591 , EUVD-2025-208270

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

A vulnerability has been identified within the Rancher Backup Operator, resulting in the leakage of S3 tokens (both accessKey and secretKey) into the rancher-backup-operator pod's logs.

Patch / fix

  • go github.com/rancher/backup-restore-operator 6.0.3, 7.0.5, 8.1.2, 9.0.1
  • SUSE Rancher 6.0.3, 7.0.5, 8.1.2, 9.0.1
  • govulncheck-vulndb openSUSE Leap 15.6 0.0.20260317T205859-150000.1.152.1

suse advisories SUSE-SU-2026:1042-1

  • govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1

opensuse advisories openSUSE-SU-2026:21483-1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
8 mo ago

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
NVD 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
GitHub 3.1 6.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
go github.com/rancher/backup-restore-operator
>=9.0.0, <9.0.1
>=8.0.0, <8.1.2
>=7.0.0, <7.0.5
>=6.0.0, <6.0.3
all versions
9.0.1
8.1.2
7.0.5
6.0.3

Affected products

  • SUSE Rancher

Classification

Weakness
  • CWE-532 Insertion of Sensitive Information into Log File

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.