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.
CVE-2025-62879
This medium-severity CVE scores 4.9 under NVD CVSS v3. EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.9
- EG Score
- 4.9(low)
- EG Risk
- 27(Track)EG Risk 27/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity49% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 27%
- KEV
- Not listed
Published
March 4, 2026
Last Modified
June 17, 2026
References (2)
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 3× in last 7d / 3× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-28 15:35 UTCEPSS rescore
- 2026-07-27 14:12 UTCEPSS rescore
- 2026-07-27 13:53 UTCEG score recompute
Related CVEs(same CWE)
Same CWE
10 shownCWE-532
- CVE-2016-0898EG 10.0CRITICAL
- CVE-2018-1264NVD 9.1EG 9.8CRITICAL
- CVE-2018-16049EG 9.8CRITICAL
- CVE-2018-11717EG 9.8EPSS p95CRITICAL
- CVE-2018-11716EG 9.8EPSS p96CRITICAL
- CVE-2018-0042EG 9.8CRITICAL
- CVE-2018-1072NVD 5.0EG 9.8CRITICAL
- CVE-2018-1117NVD 5.0EG 9.8CRITICAL
- CVE-2018-11320EG 9.8CRITICAL
- CVE-2018-1000123EG 9.8CRITICAL
Frequently asked(5)
What is CVE-2025-62879?
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What is the CVSS score of CVE-2025-62879?
How do I remediate CVE-2025-62879?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-62879
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