CVE-2026-49290

HIGHPre-NVD 7.67.6—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.6 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.8%, top 45% 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, secondary
7.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.6Exploit: None knownExposed: 0

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

Slopsmith is a self-contained web application for browsing, playing, and practicing Rocksmith 2014 Custom DLC (CDLC). Prior to 0.2.9-alpha.5, a path-traversal vulnerability in Slopsmith's archive extractors allows an attacker to write arbitrary files outside the extraction directory by supplying a crafted PSARC or sloppak archive. With the default Docker configuration (running as root) and the ability to drop a file into the plugin directory, this escalates to arbitrary remote code execution on the host. Three archive extractors concatenated archive-entry filenames directly onto the extraction root without validation: lib/psarc.py::unpack_psarc — PSARC TOC filenames; lib/patcher.py::unpack_psarc — duplicate of the above in the patcher flow; lib/sloppak.py::_unpack_zip — bare ZipFile.extractall() with no member filter. Each accepts entry names containing .. segments, absolute paths, or backslash separators. The Python zipfile module's default extractall() is documented as not preventing traversal when callers don't supply a member-filter callback. Version 0.2.9-alpha.5 patches the issue. Until updated, do not open PSARC or sloppak archives from untrusted sources, and do not expose the Slopsmith instance to the public internet. Docker users should also pull the latest image after the next slopsmith Docker image is published.

CVSS v3
7.6
EG Score
7.6(medium)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity76% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
55%
KEV
Not listed

Published

June 19, 2026

Last Modified

June 23, 2026

Advisory Details (1)

Auto-updated Jun 19, 2026
No patch confirmed yet.
generic

GitHub - byrongamatos/slopsmith: Self-contained Docker web app for browsing, playing, and practicing Rocksmith 2014 CDLC · GitHub

https://web.archive.org/web/20260522065709/https://github.com/byrongamatos/slopsmith

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 51× 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. 2026-08-25 13:49 UTCEPSS rescore
  2. 2026-08-24 14:19 UTCEG score recompute
  3. 2026-08-23 11:41 UTCEG score recompute
  4. 2026-08-23 00:19 UTCEPSS rescore
  5. 2026-08-22 23:51 UTCEG score recompute
  6. 2026-08-21 23:49 UTCEPSS rescore
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  10. 2026-08-19 17:04 UTCEPSS rescore
  11. 2026-08-19 07:18 UTCEG score recompute
  12. 2026-08-18 13:48 UTCEPSS rescore
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  14. 2026-08-16 20:38 UTCEG score recompute
  15. 2026-08-16 14:56 UTCEPSS rescore
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  17. 2026-08-16 02:14 UTCEPSS rescore
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  20. 2026-08-14 06:39 UTCEG score recompute
  21. 2026-08-13 22:00 UTCEPSS rescore
  22. 2026-08-12 16:48 UTCEG score recompute
  23. 2026-08-12 13:51 UTCEPSS rescore
  24. 2026-08-11 17:09 UTCEG score recompute
  25. 2026-08-11 05:16 UTCEG score recompute
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  1. 2026-08-11 00:00 UTCEPSS rescore
  2. 2026-08-09 16:24 UTCEG score recompute
  3. 2026-08-09 13:46 UTCEPSS rescore
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  5. 2026-08-08 16:37 UTCEPSS rescore
  6. 2026-08-07 17:07 UTCEG score recompute
  7. 2026-08-06 17:29 UTCEG score recompute
  8. 2026-08-06 13:47 UTCEPSS rescore
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  10. 2026-08-05 19:17 UTCEPSS rescore
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  14. 2026-08-03 21:23 UTCEG score recompute
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  18. 2026-08-01 10:16 UTCEG score recompute
  19. 2026-08-01 04:16 UTCEPSS rescore
  20. 2026-07-30 22:21 UTCEG score recompute
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  22. 2026-07-30 02:58 UTCEG score recompute
  23. 2026-07-30 01:30 UTCEPSS rescore
  24. 2026-07-29 01:38 UTCEG score recompute
  25. 2026-07-28 15:37 UTCEPSS rescore
  26. 2026-07-27 18:37 UTCEG score recompute
  27. 2026-07-26 16:53 UTCEG score recompute
  28. 2026-07-26 14:54 UTCEPSS rescore
  29. 2026-07-25 14:18 UTCEPSS rescore
  30. 2026-07-24 14:18 UTCEPSS rescore
  31. 2026-07-23 14:18 UTCEPSS rescore
  32. 2026-07-23 03:18 UTCEG score recompute
  33. 2026-07-22 14:08 UTCEPSS rescore
  34. 2026-07-21 15:25 UTCEPSS rescore
  35. 2026-07-20 17:08 UTCEPSS rescore
  36. 2026-07-19 14:31 UTCEPSS rescore
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  38. 2026-07-19 02:29 UTCEPSS rescore
  39. 2026-07-18 10:04 UTCEPSS rescore
  40. 2026-07-16 17:03 UTCEPSS rescore
  41. 2026-07-15 16:57 UTCEPSS rescore
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  43. 2026-07-13 22:30 UTCEPSS rescore
  44. 2026-07-13 06:13 UTCEPSS rescore
  45. 2026-07-12 05:46 UTCEPSS rescore
  46. 2026-07-11 08:27 UTCEPSS rescore
  47. 2026-07-09 19:10 UTCEPSS rescore
  48. 2026-07-08 15:16 UTCEPSS rescore
  49. 2026-07-07 13:46 UTCEPSS rescore
  50. 2026-07-06 16:27 UTCEPSS rescore
  51. 2026-07-06 02:23 UTCEPSS rescore
  52. 2026-07-05 02:30 UTCEPSS rescore
  53. 2026-07-04 06:31 UTCEPSS rescore
  54. 2026-07-01 15:07 UTCEPSS rescore
  55. 2026-06-30 23:22 UTCEPSS rescore
  56. 2026-06-29 14:06 UTCEPSS rescore
  57. 2026-06-29 14:06 UTCEPSS rescore
  58. 2026-06-28 14:07 UTCEPSS rescore
  59. 2026-06-28 04:56 UTCEPSS rescore
  60. 2026-06-28 04:56 UTCEPSS rescore
  61. 2026-06-27 03:08 UTCEPSS rescore
  62. 2026-06-25 13:49 UTCEPSS rescore
  63. 2026-06-24 14:05 UTCEPSS rescore
  64. 2026-06-23 21:33 UTCEPSS rescore
  65. 2026-06-23 21:33 UTCEPSS rescore
  66. 2026-06-19 19:14 UTCEG score recompute
  67. 2026-06-19 19:14 UTCNVD updatefirst tracked

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Frequently asked(5)

What is CVE-2026-49290?
CVE-2026-49290 is a high vulnerability published on June 19, 2026. Slopsmith is a self-contained web application for browsing, playing, and practicing Rocksmith 2014 Custom DLC (CDLC). Prior to 0.2.9-alpha.5, a path-traversal vulnerability in Slopsmith's archive extractors allows an attacker to write arbitrary files outside the extraction directory by supplying a…
When was CVE-2026-49290 disclosed?
CVE-2026-49290 was first published in the National Vulnerability Database on June 19, 2026, with the most recent update on June 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-49290 actively exploited?
CVE-2026-49290 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 45.1% of all scored CVEs.
What is the CVSS score of CVE-2026-49290?
CVE-2026-49290 has a CVSS v3 base score of 7.6 (NVD).
How do I remediate CVE-2026-49290?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-49290, 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.

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