CVE-2026-79782

LOWPre-NVD 3.13.1
EchelonGraph scoreHIGH confidence

Score 3.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-25. a secondary CVSS source baseline 3.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
3.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

rclone before 1.74.4 fails to strip the X-Amz-Security-Token header when an S3 redirect changes scheme from HTTPS to HTTP on the same host. Attackers can intercept plaintext HTTP traffic to capture AWS STS session tokens sent in request headers.

CVSS v3
3.1
EG Score
3.1(high)
EG Risk
14(Track)
EG Risk 14/100SSVC: 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 computed
Severity31% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

August 25, 2026

Last Modified

September 10, 2026

Vendor Advisories for CVE-2026-79782(1)

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

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
rclone1.60.1+dfsg-2 ... 1.69.3+dfsg-3 (8 versions)
Debian:13(1)
PackageVulnerable rangeFixed inDependents
rclone1.60.1+dfsg-4 ... 1.69.3+dfsg-3 (6 versions)
Go(1)
PackageVulnerable rangeFixed inDependents
github.com/rclone/rclone1.74.4

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 44× 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.

  1. 2026-09-19 17:22 UTCEG score recompute
  2. 2026-09-19 17:22 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-16 19:23 UTCEG score recompute
  5. 2026-09-16 19:23 UTCGHSA enrichment
  6. 2026-09-16 14:08 UTCEPSS rescore
  7. 2026-09-16 05:15 UTCEPSS rescore
  8. 2026-09-15 03:12 UTCEPSS rescore
  9. 2026-09-15 03:12 UTCEPSS rescore
  10. 2026-09-13 18:58 UTCEG score recompute
  11. 2026-09-13 18:58 UTCGHSA enrichment
  12. 2026-09-11 14:53 UTCEPSS rescore
  13. 2026-09-11 14:53 UTCEPSS rescore
  14. 2026-09-10 20:59 UTCEG score recompute
  15. 2026-09-10 20:59 UTCGHSA enrichment
  16. 2026-09-09 15:33 UTCEG score recompute
  17. 2026-09-09 15:33 UTCGHSA enrichment
  18. 2026-09-08 22:01 UTCEPSS rescore
  19. 2026-09-06 17:29 UTCEG score recompute
  20. 2026-09-06 17:29 UTCGHSA enrichment
  21. 2026-09-06 13:48 UTCEPSS rescore
  22. 2026-09-03 19:30 UTCEG score recompute
  23. 2026-09-03 19:30 UTCGHSA enrichment
  24. 2026-09-02 14:12 UTCEPSS rescore
  25. 2026-09-01 13:54 UTCEPSS rescore
Show 19 more
  1. 2026-09-01 04:40 UTCEPSS rescore
  2. 2026-09-01 04:40 UTCEPSS rescore
  3. 2026-08-31 21:27 UTCEG score recompute
  4. 2026-08-31 21:27 UTCGHSA enrichment
  5. 2026-08-30 19:18 UTCEPSS rescore
  6. 2026-08-30 19:17 UTCEPSS rescore
  7. 2026-08-30 01:22 UTCEPSS rescore
  8. 2026-08-28 23:28 UTCEG score recompute
  9. 2026-08-28 23:28 UTCGHSA enrichment
  10. 2026-08-28 22:51 UTCEG score recompute
  11. 2026-08-28 22:51 UTCGHSA enrichment
  12. 2026-08-28 21:42 UTCEPSS rescore
  13. 2026-08-28 14:25 UTCEG score recompute
  14. 2026-08-28 14:25 UTCGHSA enrichment
  15. 2026-08-27 14:25 UTCEPSS rescore
  16. 2026-08-26 14:47 UTCEPSS rescore
  17. 2026-08-25 16:24 UTCEG score recompute
  18. 2026-08-25 15:30 UTCEG score recompute
  19. 2026-08-25 15:29 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-79782?
CVE-2026-79782 is a low vulnerability published on August 25, 2026. rclone before 1.74.4 fails to strip the X-Amz-Security-Token header when an S3 redirect changes scheme from HTTPS to HTTP on the same host. Attackers can intercept plaintext HTTP traffic to capture AWS STS session tokens sent in request headers.
When was CVE-2026-79782 disclosed?
CVE-2026-79782 was first published in the National Vulnerability Database on August 25, 2026, with the most recent update on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-79782 actively exploited?
CVE-2026-79782 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 96.9% of all scored CVEs.
What is the CVSS score of CVE-2026-79782?
CVE-2026-79782 has a CVSS v3 base score of 3.1 (NVD).
How do I remediate CVE-2026-79782?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-79782, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-79782

Explore →

Is Your Infrastructure Affected by CVE-2026-79782?

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