CVE-2026-8643

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-06-01. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 5.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

pip would treat console_scripts and gui_scripts as paths instead of file names without sanitizing the resolved absolute path to the installation directory, leading to entry points being installed outside the installation directory.

CVSS v3
5.5
EG Score
5.5MEDIUMmedium confidence
EG Risk
25
EG Risk 25/100

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
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
EPSS PROB
0.5%
EPSS %ILE
37th
KEV
Not listed

Published

June 1, 2026

Last Modified

September 16, 2026

Advisory Details (3)

Auto-updated Jun 15, 2026
Patch available. Sources: github_pr.
generic

oss-security - [CVE-2026-8643] pip can extract console_scripts and gui_scripts outside installation directory

http://www.openwall.com/lists/oss-security/2026/06/01/5
generic

Mailman 3 [CVE-2026-8643] pip can extract console_scripts and gui_scripts outside installation directory - Security-announce - python.org

https://mail.python.org/archives/list/[email protected]/thread/YV63UET5D3OOJY7O4M5XCVYO2YM4NBYJ/
github_pr

Reject entry point names that escape scripts dir

Fix merged in pypa/pip PR #14000 on 2026-05-20 — awaiting tagged release

https://github.com/pypa/pip/pull/14000

Vendor Advisories for CVE-2026-8643(20)

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

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9:17870735932026-08-27redhat
redhatmta/mta-rhel9-operator:17864814812026-08-18redhat
redhatdiscovery/discovery-server-rhel9:17866385732026-08-13redhat
redhatansible-automation-platform-26/controller-rhel9:17857538102026-08-04redhat
redhatrhoai/odh-training-rocm62-torch25-py311-rhel9:17824758302026-07-21redhat
redhatautomation-controller-0:4.6.30-2.el9ap2026-07-20redhat
redhatansible-automation-platform-tech-preview/metrics-service-rhel9:17839691392026-07-20redhat
redhatautomation-controller-0:4.7.14-3.el9ap2026-07-20redhat
redhatansible-automation-platform-25/controller-rhel8:17840491092026-07-20redhat
redhatrhtas/model-transparency-rhel9:17824854412026-07-09redhat
redhatrhoai/odh-training-rocm64-torch29-py312-rhel9:17829911702026-07-09redhat
redhatpython3.14-pip-0:25.2-3.el9_8.52026-07-07redhat
redhatpython-pip-main-26.1.2-1.hum12026-07-07redhat
redhatpython3.14-pip-0:25.2-3.el10_2.52026-07-07redhat
redhatrhai/base-image-rocm-rhel9:17829147212026-07-02redhat
redhatrhai/base-image-rocm-7.0-rhel9:17829147062026-07-02redhat
redhatrhai/base-image-cuda-12.9-rhel9:17829149602026-07-02redhat
redhatrhai/base-image-cuda-13.0-rhel9:17829150152026-07-02redhat
redhatrhai/base-image-tpu-rhel9:17829146292026-07-02redhat
redhatrhai/base-image-spyre-rhel9:17829160202026-07-02redhat
redhatrhai/base-image-cuda-rhel9:17829151842026-07-02redhat
redhatrhai/base-image-neuron-rhel9:17829150562026-07-02redhat
redhatrhai/base-image-spyre-rhel9:17829289842026-07-02redhat
redhatrhai/base-image-rocm-rhel9:17829147512026-07-02redhat
redhatrhai/base-image-cpu-rhel9:17829147792026-07-02redhat
redhatrhai/base-image-rocm-rhel9:17829289772026-07-02redhat
redhatrhai/base-image-cpu-rhel9:17829291332026-07-02redhat
redhatrhai/base-image-rocm-6.4-rhel9:17829146442026-07-02redhat
redhatrhai/base-image-cuda-rhel9:17829290692026-07-02redhat
redhatpython-pip-main-26.1.1-3.1.hum12026-07-02redhat

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

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
python-pip20.3.4-4 ... 26.1.2+dfsg-1 (37 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
python-pip23.0.1+dfsg-1 ... 26.1.2+dfsg-1 (22 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
python-pip25.1.1+dfsg-1 ... 26.1.2+dfsg-1 (7 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
python-pip25.1.1+dfsg-1 ... 26.1.1+dfsg-1 (6 versions)26.1.2+dfsg-1—
PyPI(1)
PackageVulnerable rangeFixed inDependents
pip0.2 ... 9.0.3 (156 versions)26.1.2—

Weakness Classification(1)

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

Additional Vendor Advisories

(19)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 6× 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.

Showing the most recent 100 of 246 total refreshes for this CVE.

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

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-8643?
CVE-2026-8643 is a medium vulnerability published on June 1, 2026. pip would treat consolescripts and guiscripts as paths instead of file names without sanitizing the resolved absolute path to the installation directory, leading to entry points being installed outside the installation directory.
When was CVE-2026-8643 disclosed?
CVE-2026-8643 was first published on June 1, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8643 actively exploited?
CVE-2026-8643 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (37th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-8643?
CVE-2026-8643 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-8643?
A fix for CVE-2026-8643 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-8643 are linked in the Vendor Advisories panel on this page.

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