CVE-2026-73036

MEDIUMPre-NVD 4.44.4—
EchelonGraph scoreMEDIUM confidence

Score 4.4 from GitHub Security Advisory published 2026-08-11. A secondary CVSS source baseline 4.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 4.4Exploit: None knownExposed services: Not assessed

An upstream fix is merged but not yet released — mitigate (WAF / firewall / segmentation) until the release ships, then apply it.

Bash-it 3.2.0 contains a terminal escape sequence injection vulnerability in the barbuk theme's Python virtualenv prompt segment that allows local attackers to inject arbitrary terminal control sequences by embedding escape sequences in the requires-python field of a pyproject.toml file. When a user navigates into a directory containing a maliciously crafted pyproject.toml, the unfiltered field value is read via awk and concatenated directly into PS1 through __prompt-command without stripping control characters, causing injected OSC or CSI sequences to be written to and interpreted by the terminal emulator on every prompt render.

CVSS v3
4.4
EG Score
4.4MEDIUMmedium confidence
EG Risk
20
EG Risk 20/100CISA SSVC

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
Severity44% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.
EPSS PROB
0.2%
EPSS %ILE
6th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 11, 2026

Last Modified

September 24, 2026

Advisory Details (5)

Auto-updated Aug 11, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit, github_pr.
generic

Bash-it barbuk Theme 3.2.0 Terminal Escape Sequence Injection via pyproject.toml | Advisories | VulnCheck

https://www.vulncheck.com/advisories/bash-it-barbuk-theme-terminal-escape-sequence-injection-via-pyproject-toml
github_pr

fix(barbuk): strip control characters from prompt segment output

Fix merged in Bash-it/bash-it PR #2397 on 2026-08-09 — awaiting tagged release

https://github.com/Bash-it/bash-it/pull/2397
generic

barbuk theme's Python venv segment isn't stripped of terminal escape sequences · Issue #2396 · Bash-it/bash-it · GitHub

https://github.com/Bash-it/bash-it/issues/2396
github_commit

commit fab8f57818f2 (Bash-it/bash-it)

Fix landed in Bash-it/bash-it commit fab8f57818f2 — awaiting tagged release

https://github.com/Bash-it/bash-it/commit/fab8f57818f28bfc6f2a81f86a58981c4ea72e5a
generic

GitHub - Bash-it/bash-it: A community Bash framework. · GitHub

https://github.com/Bash-it/bash-it

Vendor Advisories for CVE-2026-73036(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 65× 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 140 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-73036?
CVE-2026-73036 is a medium vulnerability published on August 11, 2026. Bash-it 3.2.0 contains a terminal escape sequence injection vulnerability in the barbuk theme's Python virtualenv prompt segment that allows local attackers to inject arbitrary terminal control sequences by embedding escape sequences in the requires-python field of a pyproject.toml file. When a…
When was CVE-2026-73036 disclosed?
CVE-2026-73036 was first published on August 11, 2026, with the most recent update on September 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-73036 actively exploited?
CVE-2026-73036 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (6th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-73036?
CVE-2026-73036 has a CVSS base score of 4.4 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-73036?
An upstream fix for CVE-2026-73036 has been merged but is not yet in a tagged release. Until it ships, restrict network exposure of the affected system or apply the vendor's mitigation, then update to the release that contains the fix. The vendor advisories EchelonGraph has for CVE-2026-73036 are linked in the Vendor Advisories panel on this page.

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