CVE-2026-16077

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory (severity: LOW) published 2026-07-18. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: Elevated riskExposed: 0

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

A vulnerability was found in AstrBotDevs AstrBot up to 4.25.5. Impacted is the function _normalize_rw_path of the file astrbot/core/tools/computer_tools/fs.py of the component Filesystem Computer-Use Tool. Performing a manipulation results in link following. The attack is only possible with local access. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity53% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

July 18, 2026

Last Modified

July 20, 2026

Advisory Details (1)

Auto-updated Jul 18, 2026
No patch confirmed yet.
generic

AstrBot: Restricted local-runtime workspace boundary bypass via hardlink alias in AstrBot filesystem computer-use tools · GitHub

https://gist.github.com/YLChen-007/d2581be79bb3caf9a032b0614dfc7728

Vendor Advisories for CVE-2026-16077(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 10× in last 7d / 57× 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 123 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-16077?
CVE-2026-16077 is a medium vulnerability published on July 18, 2026. A vulnerability was found in AstrBotDevs AstrBot up to 4.25.5. Impacted is the function normalizerwpath of the file astrbot/core/tools/computertools/fs.py of the component Filesystem Computer-Use Tool. Performing a manipulation results in link following. The attack is only possible with local…
When was CVE-2026-16077 disclosed?
CVE-2026-16077 was first published in the National Vulnerability Database on July 18, 2026, with the most recent update on July 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16077 actively exploited?
CVE-2026-16077 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 88.8% of all scored CVEs.
What is the CVSS score of CVE-2026-16077?
CVE-2026-16077 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-16077?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16077, 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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