CVE-2026-79783

LOWPre-NVD 3.63.6
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

Score 3.6 from GitHub Security Advisory (severity: LOW) published 2026-08-25. A secondary CVSS source baseline 3.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, a secondary CVSS source
Trending — 3 sources updated this weekElevated
3.6EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • CISA's Vulnrichment rates exploitation as PoC; EchelonGraph holds no exploit-code reference for it
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 3.6Exploit: No code on recordExposed services: Not assessed

A fix is available — apply it.

rclone before 1.74.4 fails to mask special permission bits when applying source-supplied mode metadata in the local backend, allowing attackers to set setuid/setgid bits on attacker-controlled files. When copying with metadata preservation from an untrusted remote, attackers can plant a setuid binary that escalates privileges to root if rclone runs as root, or to the service account user otherwise.

CVSS v3
3.6
EG Score
3.6LOWmedium confidence
EG Risk
32
EG Risk 32/100

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 (value × EchelonGraph’s weight)
Severity36% × 45%
The EG Score, 3.6 of 10.
Exploitation40% × 40%
EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.2%
EPSS %ILE
12th
KEV
Not listed

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

August 25, 2026

Last Modified

September 10, 2026

References (2)

Vendor Advisories for CVE-2026-79783(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 rangeFix by version rangeDependents
rclone1.60.1+dfsg-2 ... 1.69.3+dfsg-3 (8 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
rclone1.60.1+dfsg-4 ... 1.69.3+dfsg-3 (6 versions)
  • every version on: no fix on record
—
Go(1)
PackageVulnerable rangeFix by version rangeDependents
github.com/rclone/rclone—
  • every version up to 1.74.4: fixed in 1.74.4
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 15× in last 7d / 51× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 4 repeat rows among the latest 83 are merged into the row they repeat.

  1. 2026-10-13 16:35 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  2. 2026-10-12 16:35 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  3. 2026-10-12 16:15 UTCEG score recompute
  4. 2026-10-12 16:15 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  5. 2026-10-12 14:58 UTCEG score recompute
  6. 2026-10-11 19:22 UTCEG score recompute
  7. 2026-10-11 16:38 UTCEG score recompute
  8. 2026-10-11 13:56 UTCEG score recompute
  9. 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  10. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  11. 2026-10-10 12:02 UTCEG score recompute
  12. 2026-10-10 12:02 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  13. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  14. 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  15. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  16. 2026-10-06 19:19 UTCEG score recompute
  17. 2026-10-06 19:19 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  18. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  19. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  20. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  21. 2026-10-03 22:11 UTCEG score recompute
  22. 2026-10-03 22:11 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  23. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  24. 2026-10-02 17:57 UTCEPSS rescoreEPSS 0.2% · 12th percentile
  25. 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.2% · 12th percentile
Show 54 more
  1. 2026-10-01 01:07 UTCEG score recompute
  2. 2026-10-01 01:07 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  3. 2026-09-29 15:24 UTCEPSS rescoreEPSS 0.2% · 6th percentile
  4. 2026-09-28 13:52 UTCEPSS rescoreEPSS 0.2% · 6th percentile
  5. 2026-09-28 02:16 UTCEG score recompute
  6. 2026-09-28 02:16 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  7. 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.2% · 6th percentile
  8. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.2% · 6th percentile
  9. 2026-09-26 00:28 UTCEPSS rescoreEPSS 0.2% · 6th percentile
  10. 2026-09-25 05:26 UTCEG score recompute
  11. 2026-09-25 05:26 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  12. 2026-09-24 14:04 UTCEPSS rescoreEPSS 0.2% · 6th percentile
  13. 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  14. 2026-09-22 16:01 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  15. 2026-09-22 08:36 UTCEG score recompute
  16. 2026-09-22 08:36 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  17. 2026-09-21 21:09 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  18. 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  19. 2026-09-19 11:45 UTCEG score recompute
  20. 2026-09-19 11:45 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  21. 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  22. 2026-09-16 14:40 UTCEG score recompute
  23. 2026-09-16 14:40 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  24. 2026-09-16 14:08 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  25. 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  26. 2026-09-15 03:12 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  27. 2026-09-13 17:49 UTCEG score recompute
  28. 2026-09-13 17:49 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  29. 2026-09-11 14:53 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  30. 2026-09-10 20:59 UTCEG score recompute
  31. 2026-09-10 20:59 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  32. 2026-09-09 01:36 UTCEG score recompute
  33. 2026-09-09 01:35 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  34. 2026-09-08 22:01 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  35. 2026-09-06 13:48 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  36. 2026-09-06 04:46 UTCEG score recompute
  37. 2026-09-06 04:46 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  38. 2026-09-04 05:07 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  39. 2026-09-03 07:56 UTCEG score recompute
  40. 2026-09-03 07:56 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  41. 2026-09-01 13:54 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  42. 2026-09-01 04:40 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  43. 2026-08-31 11:06 UTCEG score recompute
  44. 2026-08-31 11:06 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  45. 2026-08-30 19:17 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  46. 2026-08-30 01:22 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  47. 2026-08-28 21:42 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  48. 2026-08-28 14:15 UTCEG score recompute
  49. 2026-08-28 14:15 UTCGHSA enrichmentGHSA-vqwj-943v-724g · GitHub severity LOW · GitHub CVSS 3.6
  50. 2026-08-27 14:25 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  51. 2026-08-26 14:47 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  52. 2026-08-25 16:24 UTCEG score recompute
  53. 2026-08-25 15:30 UTCEG score recomputeFirst assessed: 3.6 LOW
  54. 2026-08-25 15:29 UTCMITRE cvelistV5first tracked

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Frequently asked(5)

What is CVE-2026-79783?
CVE-2026-79783 is a low-severity vulnerability; its CVE record was published on August 25, 2026. rclone before 1.74.4 fails to mask special permission bits when applying source-supplied mode metadata in the local backend, allowing attackers to set setuid/setgid bits on attacker-controlled files. When copying with metadata preservation from an untrusted remote, attackers can plant a setuid…
When was CVE-2026-79783 made public?
CVE-2026-79783 was made public on July 8, 2026: that is the date its CVE record's CNA, VulnCheck, gives for when the vulnerability was made public. The CVE record itself was published on August 25, 2026. EchelonGraph's copy of the record carries a last-modified date of September 10, 2026; the record at its source may have been updated since.
Is CVE-2026-79783 actively exploited?
CVE-2026-79783 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (12th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-79783?
CVE-2026-79783 has a CVSS base score of 3.6 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-79783?
A fix for CVE-2026-79783 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-79783 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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