6.8

CVE-2025-62879: Rancher Backup Operator pod's logs leak S3 tokens

Analyzed
AliasesGHSA-wj3p-5h3x-c74qGO-2026-4591CGA-43m5-6j29-xh2x
Published 04-03-2026Last modified 04-03-2026

Vulnerability summary

CVE-2025-62879 is a medium (CVSS 6.8) vulnerability in suse rancher. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 31.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.38%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 3
OPENSUSE-SU-2026:21483-1SUSE-SU-2026:1042-1CGA-XCGH-MVRX-46CR

Timeline

  1. 04-03-2026
    PublishedVulnerability first disclosed.
  2. 04-03-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.38%

Chance of exploitation in the next 30 days

Percentile

32%

Versus all other CVEs

30-day change

Increase +0.03 pp

From 0.35% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard8 products
  • backup-restore-operator-10.0All versions (No fix recorded)
  • backup-restore-operator-7.0< 7.0.5-r0
  • backup-restore-operator-8.1< 8.1.2-r0
  • backup-restore-operator-9.0< 9.0.1-r0
  • backup-restore-operator-fips-10.0All versions (No fix recorded)
Suse2 products
Github.com/rancher1 product
  • 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 (No fix recorded)

3 vendors · 11 products

References

6 links