CVE-2026-16197

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-07-19. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.3Exploit: Elevated riskExposed: 0

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

A security vulnerability has been detected in Sipeed PicoClaw up to 0.2.9. The affected element is the function handleMessageReceive of the file pkg/channels/feishu/feishu_64.go of the component Group Message Handler. Such manipulation leads to missing authorization. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The reported GitHub issue was closed automatically due to inactivity.

CVSS v3
6.3
EG Score
6.3(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity63% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

July 18, 2026

Last Modified

July 20, 2026

Advisory Details (2)

Auto-updated Jul 19, 2026
No patch confirmed yet.
generic

[Security] PicoClaw Feishu reply-context expansion bypasses `allow_from` for fetched parent messages · Issue #3082 · sipeed/picoclaw · GitHub

https://github.com/sipeed/picoclaw/issues/3082
generic

GitHub - sipeed/picoclaw: Tiny, Fast, and Deployable anywhere — automate the mundane, unleash your creativity · GitHub

https://github.com/sipeed/picoclaw/

Vendor Advisories for CVE-2026-16197(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 62× 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 130 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 23:50 UTCEG score recompute
  6. 2026-09-07 23:50 UTCGHSA enrichment
  7. 2026-09-07 16:01 UTCEPSS rescore
  8. 2026-09-06 13:47 UTCEPSS rescore
  9. 2026-09-05 20:24 UTCEG score recompute
  10. 2026-09-05 20:24 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 03:28 UTCEG score recompute
  16. 2026-08-31 03:28 UTCGHSA enrichment
  17. 2026-08-30 19:17 UTCEPSS rescore
  18. 2026-08-30 03:08 UTCEG score recompute
  19. 2026-08-30 03:08 UTCGHSA enrichment
  20. 2026-08-30 01:22 UTCEPSS rescore
  21. 2026-08-28 21:41 UTCEPSS rescore
  22. 2026-08-27 23:58 UTCEG score recompute
  23. 2026-08-27 23:58 UTCGHSA enrichment
  24. 2026-08-27 14:25 UTCEPSS rescore
  25. 2026-08-26 23:54 UTCEG score recompute
Show 75 more
  1. 2026-08-26 23:54 UTCGHSA enrichment
  2. 2026-08-26 14:46 UTCEPSS rescore
  3. 2026-08-25 23:49 UTCEG score recompute
  4. 2026-08-25 23:49 UTCGHSA enrichment
  5. 2026-08-25 13:48 UTCEPSS rescore
  6. 2026-08-24 23:45 UTCEG score recompute
  7. 2026-08-24 23:45 UTCGHSA enrichment
  8. 2026-08-23 23:40 UTCEG score recompute
  9. 2026-08-23 23:40 UTCGHSA enrichment
  10. 2026-08-23 00:19 UTCEPSS rescore
  11. 2026-08-22 23:35 UTCEG score recompute
  12. 2026-08-22 23:35 UTCGHSA enrichment
  13. 2026-08-21 23:49 UTCEPSS rescore
  14. 2026-08-21 23:30 UTCGHSA enrichment
  15. 2026-08-20 23:25 UTCEG score recompute
  16. 2026-08-20 23:25 UTCGHSA enrichment
  17. 2026-08-20 22:55 UTCEPSS rescore
  18. 2026-08-19 23:21 UTCEG score recompute
  19. 2026-08-19 23:21 UTCGHSA enrichment
  20. 2026-08-19 17:03 UTCEPSS rescore
  21. 2026-08-18 19:52 UTCEG score recompute
  22. 2026-08-18 19:52 UTCGHSA enrichment
  23. 2026-08-18 13:48 UTCEPSS rescore
  24. 2026-08-17 15:58 UTCEG score recompute
  25. 2026-08-17 15:58 UTCGHSA enrichment
  26. 2026-08-17 13:47 UTCEPSS rescore
  27. 2026-08-16 15:53 UTCEG score recompute
  28. 2026-08-16 15:53 UTCGHSA enrichment
  29. 2026-08-16 14:56 UTCEPSS rescore
  30. 2026-08-16 02:14 UTCEPSS rescore
  31. 2026-08-15 15:49 UTCEG score recompute
  32. 2026-08-15 15:49 UTCGHSA enrichment
  33. 2026-08-15 01:30 UTCEPSS rescore
  34. 2026-08-14 15:44 UTCEG score recompute
  35. 2026-08-14 15:44 UTCGHSA enrichment
  36. 2026-08-13 22:00 UTCEPSS rescore
  37. 2026-08-13 15:39 UTCGHSA enrichment
  38. 2026-08-12 15:35 UTCEG score recompute
  39. 2026-08-12 15:35 UTCGHSA enrichment
  40. 2026-08-12 13:50 UTCEPSS rescore
  41. 2026-08-11 15:22 UTCEG score recompute
  42. 2026-08-11 15:22 UTCGHSA enrichment
  43. 2026-08-11 13:42 UTCEPSS rescore
  44. 2026-08-11 00:00 UTCEPSS rescore
  45. 2026-08-10 15:18 UTCGHSA enrichment
  46. 2026-08-09 15:13 UTCEG score recompute
  47. 2026-08-09 15:13 UTCGHSA enrichment
  48. 2026-08-09 13:46 UTCEPSS rescore
  49. 2026-08-08 16:37 UTCEPSS rescore
  50. 2026-08-08 15:09 UTCEG score recompute
  51. 2026-08-08 15:09 UTCGHSA enrichment
  52. 2026-08-07 15:04 UTCGHSA enrichment
  53. 2026-08-06 15:00 UTCEG score recompute
  54. 2026-08-06 15:00 UTCGHSA enrichment
  55. 2026-08-06 13:46 UTCEPSS rescore
  56. 2026-08-05 19:17 UTCEPSS rescore
  57. 2026-08-05 14:55 UTCEG score recompute
  58. 2026-08-05 14:55 UTCGHSA enrichment
  59. 2026-08-04 15:10 UTCEPSS rescore
  60. 2026-08-04 12:56 UTCEG score recompute
  61. 2026-08-04 12:56 UTCGHSA enrichment
  62. 2026-08-04 10:38 UTCEPSS rescore
  63. 2026-08-03 12:04 UTCEG score recompute
  64. 2026-08-03 12:04 UTCGHSA enrichment
  65. 2026-08-03 10:35 UTCEPSS rescore
  66. 2026-08-02 11:57 UTCEG score recompute
  67. 2026-08-02 11:57 UTCGHSA enrichment
  68. 2026-08-02 02:26 UTCEPSS rescore
  69. 2026-08-01 11:52 UTCEG score recompute
  70. 2026-08-01 11:52 UTCGHSA enrichment
  71. 2026-08-01 04:15 UTCEPSS rescore
  72. 2026-07-31 11:48 UTCEG score recompute
  73. 2026-07-31 11:48 UTCGHSA enrichment
  74. 2026-07-30 11:43 UTCEG score recompute
  75. 2026-07-30 11:43 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16197?
CVE-2026-16197 is a medium vulnerability published on July 18, 2026. A security vulnerability has been detected in Sipeed PicoClaw up to 0.2.9. The affected element is the function handleMessageReceive of the file pkg/channels/feishu/feishu_64.go of the component Group Message Handler. Such manipulation leads to missing authorization. The attack can be launched…
When was CVE-2026-16197 disclosed?
CVE-2026-16197 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-2026-16197 actively exploited?
CVE-2026-16197 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 70.1% of all scored CVEs.
What is the CVSS score of CVE-2026-16197?
CVE-2026-16197 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-16197?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16197, 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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