CVE-2026-44936

MEDIUMNVD 5.05.0—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.0 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 72% of all CVEs by exploit prediction. 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).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
5.0EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 5.0Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Missing filtering when the helmRepoURLRegex field isn't set on a GitRepo resource in SUSE Rancher Fleet's bundle reader in 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.15 forwards Helm authentication credentials (BasicAuth) to any URL specified in the helm.repo field of a fleet.yaml file, allowing attackers able to push to fleet monitored git repos to leak helm access credentials.

CVSS v3
5.0
EG Score
5.0MEDIUMmedium confidence
EG Risk
23
EG Risk 23/100

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 computed
Severity50% × 45%
Exploitation0% × 40%
Automatability0% × 15%
EPSS PROB
0.3%
EPSS %ILE
26th
KEV
Not listed

Published

July 1, 2026

Last Modified

July 9, 2026

Advisory Details (1)

Auto-updated Jul 6, 2026
Patch available. Sources: github.
githubMentions a patch (unverified)

Rancher Fleet has SSRF in Bundle Reader via Unvalidated Helm Repository URL in fleet.yaml · CVE-2026-44936 · GitHub Advisory Database · GitHub

https://github.com/advisories/GHSA-hx4v-cxpf-vh8m

Vendor Advisories for CVE-2026-44936(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFix by version rangeDependents
github.com/rancher/fleet—
  • 0.15.0 up to 0.15.2: fixed in 0.15.2
  • 0.14.0 up to 0.14.6: fixed in 0.14.6
  • 0.13.0 up to 0.13.11: fixed in 0.13.11
  • 0.12.0 up to 0.12.15: fixed in 0.12.15
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 26× 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.

Showing the most recent 100 of 120 total refreshes for this CVE.

  1. 2026-10-10 20:00 UTCEPSS rescore
  2. 2026-10-09 20:07 UTCEPSS rescore
  3. 2026-10-08 17:12 UTCEPSS rescore
  4. 2026-10-07 23:48 UTCEPSS rescore
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  10. 2026-09-30 15:03 UTCEPSS rescore
  11. 2026-09-27 13:48 UTCEPSS rescore
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  25. 2026-09-11 14:53 UTCEPSS rescore
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  1. 2026-09-11 09:37 UTCEPSS rescore
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  7. 2026-09-04 05:06 UTCEPSS rescore
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  10. 2026-08-30 19:17 UTCEPSS rescore
  11. 2026-08-30 11:43 UTCEG score recompute
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  18. 2026-08-25 01:54 UTCEG score recompute
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  22. 2026-08-21 23:49 UTCEPSS rescore
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  24. 2026-08-20 22:55 UTCEPSS rescore
  25. 2026-08-20 07:35 UTCEG score recompute
  26. 2026-08-19 17:04 UTCEPSS rescore
  27. 2026-08-19 09:53 UTCEG score recompute
  28. 2026-08-18 13:48 UTCEPSS rescore
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  30. 2026-08-17 13:47 UTCEPSS rescore
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  35. 2026-08-15 15:09 UTCEG score recompute
  36. 2026-08-15 01:30 UTCEPSS rescore
  37. 2026-08-14 17:27 UTCEG score recompute
  38. 2026-08-13 22:00 UTCEPSS rescore
  39. 2026-08-12 21:54 UTCEG score recompute
  40. 2026-08-12 13:51 UTCEPSS rescore
  41. 2026-08-12 00:13 UTCEG score recompute
  42. 2026-08-11 02:31 UTCEG score recompute
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  44. 2026-08-10 04:49 UTCEG score recompute
  45. 2026-08-09 13:46 UTCEPSS rescore
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  47. 2026-08-08 16:37 UTCEPSS rescore
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  49. 2026-08-06 14:01 UTCEG score recompute
  50. 2026-08-06 13:46 UTCEPSS rescore
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  60. 2026-08-01 21:33 UTCEG score recompute
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  62. 2026-07-31 02:04 UTCEG score recompute
  63. 2026-07-30 16:28 UTCEPSS rescore
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  66. 2026-07-29 06:26 UTCEG score recompute
  67. 2026-07-28 15:36 UTCEPSS rescore
  68. 2026-07-28 08:39 UTCEG score recompute
  69. 2026-07-27 14:13 UTCEPSS rescore
  70. 2026-07-27 10:57 UTCEG score recompute
  71. 2026-07-26 14:54 UTCEPSS rescore
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  74. 2026-07-25 14:18 UTCEPSS rescore
  75. 2026-07-24 14:17 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2026-44936?
CVE-2026-44936 is a medium vulnerability published on July 1, 2026. Missing filtering when the helmRepoURLRegex field isn't set on a GitRepo resource in SUSE Rancher Fleet's bundle reader in 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.15 forwards Helm authentication credentials (BasicAuth) to any URL specified in the helm.repo…
When was CVE-2026-44936 disclosed?
CVE-2026-44936 was first published on July 1, 2026, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-44936 actively exploited?
CVE-2026-44936 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (26th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-44936?
CVE-2026-44936 has a CVSS v3 base score of 5.0 (NVD).
How do I remediate CVE-2026-44936?
A fix for CVE-2026-44936 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-44936 are linked in the Vendor Advisories panel on this page.

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