CVE-2016-0752

HIGHNVD 7.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.5 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, nvd
Trending — 3 sources updated this weekExploited in the wild
7.5
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 96%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 allows remote attackers to read arbitrary files by leveraging an application's unrestricted use of the render method and providing a .. (dot dot) in a pathname.

CVSS v3
7.5
EG Score
9.0(high)
EPSS
99.9%
KEV
⚠ Exploited

Published

February 16, 2016

Last Modified

April 22, 2026

Advisory Details (5)

Auto-updated May 20, 2026
No patch confirmed yet.
generic
http://www.securitytracker.com/id/1034816
generic
http://www.securityfocus.com/bid/81801
generic

oss-security - [CVE-2016-0752] Possible Information Leak Vulnerability in Action View

http://www.openwall.com/lists/oss-security/2016/01/25/13
generic

[SECURITY] [DSA 3464-1] rails security update

http://www.debian.org/security/2016/dsa-3464
generic
http://rhn.redhat.com/errata/RHSA-2016-0296.html

Vendor Advisories for CVE-2016-0752(3)

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

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatror40-rubygem-activesupport-1:4.0.2-4.el72016-03-15redhat
redhatruby193-rubygem-activesupport-1:3.2.8-6.el72016-03-15redhat
redhatrh-ror41-rubygem-activesupport-1:4.1.5-3.el72016-02-24redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(2 across 1 ecosystem)
RubyGems(2)
PackageVulnerable rangeFixed inDependents
actionpack0.9.0 ... 3.2.9.rc3 (176 versions)3.2.22.1—
actionview4.2.0 ... 4.2.5.rc2 (14 versions)4.2.5.1—

Data Freshness Timeline

(refreshed 41× in last 7d / 185× 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 352 total refreshes for this CVE.

  1. 2026-07-22 14:12 UTCVendor advisory
  2. 2026-07-22 09:50 UTCVendor advisory
  3. 2026-07-22 05:31 UTCVendor advisory
  4. 2026-07-22 01:10 UTCVendor advisory
  5. 2026-07-21 17:30 UTCVendor advisory
  6. 2026-07-21 14:37 UTCCISA KEV update
  7. 2026-07-21 13:10 UTCVendor advisory
  8. 2026-07-21 08:51 UTCVendor advisory
  9. 2026-07-21 04:31 UTCVendor advisory
  10. 2026-07-21 00:11 UTCVendor advisory
  11. 2026-07-20 19:51 UTCVendor advisory
  12. 2026-07-20 15:32 UTCVendor advisory
  13. 2026-07-20 11:12 UTCVendor advisory
  14. 2026-07-20 06:52 UTCVendor advisory
  15. 2026-07-20 02:19 UTCVendor advisory
  16. 2026-07-19 21:59 UTCVendor advisory
  17. 2026-07-19 17:40 UTCVendor advisory
  18. 2026-07-19 13:20 UTCVendor advisory
  19. 2026-07-19 09:01 UTCVendor advisory
  20. 2026-07-19 04:41 UTCVendor advisory
  21. 2026-07-19 00:22 UTCVendor advisory
  22. 2026-07-18 20:03 UTCVendor advisory
  23. 2026-07-18 15:42 UTCVendor advisory
  24. 2026-07-18 11:22 UTCVendor advisory
  25. 2026-07-18 07:03 UTCVendor advisory
Show 75 more
  1. 2026-07-18 02:44 UTCVendor advisory
  2. 2026-07-17 22:25 UTCVendor advisory
  3. 2026-07-17 18:05 UTCVendor advisory
  4. 2026-07-17 13:45 UTCVendor advisory
  5. 2026-07-17 09:26 UTCEG score recompute
  6. 2026-07-17 09:26 UTCVendor advisory
  7. 2026-07-17 05:06 UTCVendor advisory
  8. 2026-07-17 00:47 UTCVendor advisory
  9. 2026-07-16 20:27 UTCVendor advisory
  10. 2026-07-16 17:04 UTCCISA KEV update
  11. 2026-07-16 16:08 UTCVendor advisory
  12. 2026-07-16 11:48 UTCVendor advisory
  13. 2026-07-16 07:28 UTCVendor advisory
  14. 2026-07-16 03:08 UTCVendor advisory
  15. 2026-07-15 22:48 UTCVendor advisory
  16. 2026-07-15 18:28 UTCVendor advisory
  17. 2026-07-15 16:49 UTCCISA KEV update
  18. 2026-07-15 15:04 UTCCISA KEV update
  19. 2026-07-15 14:07 UTCVendor advisory
  20. 2026-07-15 09:48 UTCVendor advisory
  21. 2026-07-15 05:29 UTCVendor advisory
  22. 2026-07-15 01:08 UTCVendor advisory
  23. 2026-07-14 20:48 UTCVendor advisory
  24. 2026-07-14 18:05 UTCCISA KEV update
  25. 2026-07-14 16:28 UTCVendor advisory
  26. 2026-07-14 12:09 UTCVendor advisory
  27. 2026-07-14 07:50 UTCVendor advisory
  28. 2026-07-14 03:29 UTCVendor advisory
  29. 2026-07-13 23:10 UTCVendor advisory
  30. 2026-07-13 18:51 UTCVendor advisory
  31. 2026-07-13 17:07 UTCCISA KEV update
  32. 2026-07-13 14:31 UTCVendor advisory
  33. 2026-07-13 10:11 UTCVendor advisory
  34. 2026-07-13 05:51 UTCVendor advisory
  35. 2026-07-13 01:31 UTCVendor advisory
  36. 2026-07-12 21:12 UTCVendor advisory
  37. 2026-07-12 16:52 UTCVendor advisory
  38. 2026-07-12 12:32 UTCVendor advisory
  39. 2026-07-12 08:13 UTCVendor advisory
  40. 2026-07-12 05:42 UTCEPSS rescore
  41. 2026-07-12 03:53 UTCVendor advisory
  42. 2026-07-11 23:34 UTCVendor advisory
  43. 2026-07-11 19:14 UTCVendor advisory
  44. 2026-07-11 14:54 UTCVendor advisory
  45. 2026-07-11 10:35 UTCVendor advisory
  46. 2026-07-11 06:14 UTCVendor advisory
  47. 2026-07-11 01:55 UTCVendor advisory
  48. 2026-07-10 21:33 UTCVendor advisory
  49. 2026-07-10 17:52 UTCCISA KEV update
  50. 2026-07-10 17:14 UTCVendor advisory
  51. 2026-07-10 12:53 UTCVendor advisory
  52. 2026-07-10 08:33 UTCVendor advisory
  53. 2026-07-10 04:12 UTCVendor advisory
  54. 2026-07-09 23:50 UTCVendor advisory
  55. 2026-07-09 19:30 UTCVendor advisory
  56. 2026-07-09 15:11 UTCVendor advisory
  57. 2026-07-09 10:50 UTCVendor advisory
  58. 2026-07-09 06:27 UTCVendor advisory
  59. 2026-07-09 02:08 UTCVendor advisory
  60. 2026-07-08 21:47 UTCVendor advisory
  61. 2026-07-08 17:28 UTCVendor advisory
  62. 2026-07-08 13:08 UTCVendor advisory
  63. 2026-07-08 08:49 UTCVendor advisory
  64. 2026-07-08 04:30 UTCVendor advisory
  65. 2026-07-08 00:11 UTCVendor advisory
  66. 2026-07-07 19:51 UTCVendor advisory
  67. 2026-07-07 19:01 UTCCISA KEV update
  68. 2026-07-07 17:16 UTCCISA KEV update
  69. 2026-07-07 15:30 UTCVendor advisory
  70. 2026-07-07 13:42 UTCEPSS rescore
  71. 2026-07-07 13:42 UTCEPSS rescore
  72. 2026-07-07 11:10 UTCVendor advisory
  73. 2026-07-07 06:50 UTCVendor advisory
  74. 2026-07-07 02:29 UTCVendor advisory
  75. 2026-07-06 22:08 UTCVendor advisory

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-40561✓ verified
    First seen Oct 17, 2016

    Ruby on Rails - Dynamic Render File Upload / Remote Code Execution (Metasploit)

    Open source ↗
  • Metasploitexploit/multi/http/rails_dynamic_render_code_exec✓ verified
    First seen Oct 16, 2016

    Ruby on Rails Dynamic Render File Upload Remote Code Execution

    Open source ↗
  • GitHub PoCforced-request/rails-rce-cve-2016-0752
    First seen Jan 26, 2016
    Open source ↗

Related CVEs(same vendor)

Frequently asked(6)

What is CVE-2016-0752?
CVE-2016-0752 is a high vulnerability published on February 16, 2016. Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 allows remote attackers to read arbitrary files by leveraging an application's unrestricted use of the render method and providing a…
When was CVE-2016-0752 disclosed?
CVE-2016-0752 was first published in the National Vulnerability Database on February 16, 2016, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-0752 actively exploited?
Yes. CISA added CVE-2016-0752 to the Known Exploited Vulnerabilities catalog on March 25, 2022, affecting Rails Ruby on Rails. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2016-0752?
CVE-2016-0752 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2016-0752?
CVE-2016-0752 affects Rails Ruby on Rails. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2016-0752?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-0752, 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

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