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
Trending — Patch released this week
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

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
5.5(medium)
EG Risk
25(Track)
EG Risk 25/100SSVC: 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
Severity55% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

June 1, 2026

Last Modified

August 14, 2026

Advisory Details (3)

Auto-updated Jun 15, 2026
Upstream fix merged — awaiting tagged release. 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

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
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
redhatansible-automation-platform-25/controller-rhel8:17840491092026-07-20redhat
redhatautomation-controller-0:4.7.14-3.el9ap2026-07-20redhat
redhatansible-automation-platform-tech-preview/metrics-service-rhel9:17839691392026-07-20redhat
redhatautomation-controller-0:4.6.30-2.el9ap2026-07-20redhat
redhatrhoai/odh-training-rocm64-torch29-py312-rhel9:17829911702026-07-09redhat
redhatrhtas/model-transparency-rhel9:17824854412026-07-09redhat
redhatpython3.14-pip-0:25.2-3.el10_2.52026-07-07redhat
redhatpython-pip-main-26.1.2-1.hum12026-07-07redhat
redhatpython3.14-pip-0:25.2-3.el9_8.52026-07-07redhat
redhatrhai/base-image-cuda-rhel9:17829151842026-07-02redhat
redhatrhai/base-image-cpu-rhel9:17829291332026-07-02redhat
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-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-cpu-rhel9:17829154162026-07-02redhat
redhatrhai/base-image-cpu-rhel9:17829147792026-07-02redhat
redhatrhai/base-image-rocm-rhel9:17829289772026-07-02redhat
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
redhatrhai/base-image-spyre-rhel9:17829148332026-07-02redhat

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

(16)

Data Freshness Timeline

(refreshed 21× in last 7d / 64× 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 161 total refreshes for this CVE.

  1. 2026-08-15 01:31 UTCEPSS rescore
  2. 2026-08-14 13:27 UTCVendor advisory
  3. 2026-08-14 12:29 UTCEG score recompute
  4. 2026-08-14 12:29 UTCVendor advisory
  5. 2026-08-13 22:00 UTCEPSS rescore
  6. 2026-08-13 12:27 UTCEG score recompute
  7. 2026-08-13 12:27 UTCVendor advisory
  8. 2026-08-12 13:51 UTCEPSS rescore
  9. 2026-08-12 12:37 UTCVendor advisory
  10. 2026-08-12 12:12 UTCVendor advisory
  11. 2026-08-11 14:17 UTCEG score recompute
  12. 2026-08-11 14:17 UTCVendor advisory
  13. 2026-08-11 13:43 UTCEPSS rescore
  14. 2026-08-11 00:00 UTCEPSS rescore
  15. 2026-08-10 12:26 UTCVendor advisory
  16. 2026-08-09 20:23 UTCEG score recompute
  17. 2026-08-09 20:23 UTCVendor advisory
  18. 2026-08-09 13:47 UTCEPSS rescore
  19. 2026-08-08 18:43 UTCEG score recompute
  20. 2026-08-08 18:43 UTCVendor advisory
  21. 2026-08-08 16:37 UTCEPSS rescore
  22. 2026-08-07 17:02 UTCEG score recompute
  23. 2026-08-07 17:02 UTCVendor advisory
  24. 2026-08-07 16:30 UTCEPSS rescore
  25. 2026-08-06 15:21 UTCEG score recompute
Show 75 more
  1. 2026-08-06 15:21 UTCVendor advisory
  2. 2026-08-06 13:47 UTCEPSS rescore
  3. 2026-08-05 19:17 UTCEPSS rescore
  4. 2026-08-05 19:17 UTCEPSS rescore
  5. 2026-08-05 13:40 UTCVendor advisory
  6. 2026-08-05 12:32 UTCVendor advisory
  7. 2026-08-04 22:35 UTCEG score recompute
  8. 2026-08-04 22:35 UTCVendor advisory
  9. 2026-08-04 15:10 UTCEPSS rescore
  10. 2026-08-04 10:39 UTCEPSS rescore
  11. 2026-08-03 12:46 UTCVendor advisory
  12. 2026-08-02 15:18 UTCVendor advisory
  13. 2026-08-01 13:36 UTCEG score recompute
  14. 2026-08-01 13:36 UTCVendor advisory
  15. 2026-08-01 04:16 UTCEPSS rescore
  16. 2026-07-31 05:42 UTCEG score recompute
  17. 2026-07-31 05:42 UTCVendor advisory
  18. 2026-07-30 16:28 UTCEPSS rescore
  19. 2026-07-30 01:30 UTCEPSS rescore
  20. 2026-07-29 11:11 UTCEG score recompute
  21. 2026-07-29 11:11 UTCVendor advisory
  22. 2026-07-28 15:37 UTCEPSS rescore
  23. 2026-07-27 14:14 UTCEPSS rescore
  24. 2026-07-27 12:40 UTCVendor advisory
  25. 2026-07-26 23:16 UTCEG score recompute
  26. 2026-07-26 23:16 UTCVendor advisory
  27. 2026-07-26 14:54 UTCEPSS rescore
  28. 2026-07-25 14:18 UTCEPSS rescore
  29. 2026-07-24 14:18 UTCEPSS rescore
  30. 2026-07-23 14:18 UTCEPSS rescore
  31. 2026-07-23 03:23 UTCEG score recompute
  32. 2026-07-22 14:08 UTCEPSS rescore
  33. 2026-07-21 15:25 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
  37. 2026-07-19 02:29 UTCEPSS rescore
  38. 2026-07-18 10:04 UTCEPSS rescore
  39. 2026-07-16 17:03 UTCEPSS rescore
  40. 2026-07-16 12:29 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  41. 2026-07-16 01:30 UTCVendor advisory
  42. 2026-07-15 16:57 UTCEPSS rescore
  43. 2026-07-15 03:14 UTCMITRE cvelistV5CVSS v3 → 8 · severity → HIGH
  44. 2026-07-15 02:00 UTCEPSS rescore
  45. 2026-07-15 01:23 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  46. 2026-07-15 00:50 UTCMITRE cvelistV5CVSS v3 → 8 · severity → HIGH
  47. 2026-07-14 05:31 UTCVendor advisory
  48. 2026-07-13 22:31 UTCEPSS rescore
  49. 2026-07-13 06:13 UTCEPSS rescore
  50. 2026-07-12 05:46 UTCEPSS rescore
  51. 2026-07-11 13:28 UTCVendor advisory
  52. 2026-07-11 08:27 UTCEPSS rescore
  53. 2026-07-10 12:26 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  54. 2026-07-10 12:12 UTCMITRE cvelistV5CVSS v3 → 8 · severity → HIGH
  55. 2026-07-09 19:10 UTCEPSS rescore
  56. 2026-07-08 16:56 UTCVendor advisory
  57. 2026-07-08 16:56 UTCGHSA enrichment
  58. 2026-07-08 15:16 UTCEPSS rescore
  59. 2026-07-08 14:36 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  60. 2026-07-08 12:47 UTCMITRE cvelistV5CVSS v3 → 8 · severity → HIGH
  61. 2026-07-07 14:14 UTCNVD updateCVSS v3 → 5.5 · severity → MEDIUM
  62. 2026-07-07 12:11 UTCMITRE cvelistV5CVSS v3 → 8 · severity → HIGH
  63. 2026-07-06 16:27 UTCEPSS rescore
  64. 2026-07-06 16:27 UTCEPSS rescore
  65. 2026-07-06 02:23 UTCEPSS rescore
  66. 2026-07-06 02:23 UTCEPSS rescore
  67. 2026-07-05 02:31 UTCEPSS rescore
  68. 2026-07-05 02:30 UTCEPSS rescore
  69. 2026-07-04 06:31 UTCEPSS rescore
  70. 2026-07-04 06:31 UTCEPSS rescore
  71. 2026-07-02 02:07 UTCVendor advisory
  72. 2026-07-02 02:07 UTCGHSA enrichment
  73. 2026-07-01 15:07 UTCEPSS rescore
  74. 2026-06-30 23:22 UTCEPSS rescore
  75. 2026-06-30 23:20 UTCVendor advisory

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 in the National Vulnerability Database on June 1, 2026, with the most recent update on August 14, 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% probability of exploitation in the next 30 days, which ranks it in the top 75.4% of all 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?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8643, 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-2026-8643

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