CVE-2026-16084

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory published 2026-07-18. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.3Exploit: Elevated riskExposed: 0

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

A weakness has been identified in Sipeed PicoClaw up to 0.2.9. This impacts the function web_fetch of the file pkg/tools/integration/web.go. This manipulation causes server-side request forgery. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. Patch name: c15aac21fe05ee103a470e1104bc891754e83392. To fix this issue, it is recommended to deploy a patch.

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
64(Attend)
EG Risk 64/100SSVC: Attend

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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
45%
KEV
Not listed

Published

July 18, 2026

Last Modified

July 21, 2026

Advisory Details (4)

Auto-updated Jul 19, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit, github_pr.
github_pr

fix(web): block private IPv4 embeds in ISATAP literals

Fix merged in sipeed/picoclaw PR #3143 on 2026-06-26 — awaiting tagged release

https://github.com/sipeed/picoclaw/pull/3143
generic

[Security] PicoClaw `web_fetch` SSRF guard bypass via ISATAP IPv6 literals embedding loopback/private IPv4 · Issue #3074 · sipeed/picoclaw · GitHub

https://github.com/sipeed/picoclaw/issues/3074
github_commit

commit c15aac21fe05 (sipeed/picoclaw)

Fix landed in sipeed/picoclaw commit c15aac21fe05 — awaiting tagged release

https://github.com/sipeed/picoclaw/commit/c15aac21fe05ee103a470e1104bc891754e83392
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-2026-16084(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 11× in last 7d / 82× 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 174 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. 2026-09-06 13:21 UTCGHSA enrichment
  10. 2026-09-05 20:25 UTCEG score recompute
  11. 2026-09-05 20:25 UTCGHSA enrichment
  12. 2026-09-04 05:06 UTCEPSS rescore
  13. 2026-09-02 14:11 UTCEPSS rescore
  14. 2026-09-01 13:53 UTCEPSS rescore
  15. 2026-09-01 04:39 UTCEPSS rescore
  16. 2026-08-31 02:51 UTCEG score recompute
  17. 2026-08-31 02:51 UTCGHSA enrichment
  18. 2026-08-30 19:17 UTCEPSS rescore
  19. 2026-08-30 15:47 UTCGHSA enrichment
  20. 2026-08-30 03:13 UTCEG score recompute
  21. 2026-08-30 03:13 UTCGHSA enrichment
  22. 2026-08-30 01:22 UTCEPSS rescore
  23. 2026-08-28 21:41 UTCEPSS rescore
  24. 2026-08-27 23:10 UTCEG score recompute
  25. 2026-08-27 23:10 UTCGHSA enrichment
Show 75 more
  1. 2026-08-27 14:25 UTCEPSS rescore
  2. 2026-08-27 12:05 UTCGHSA enrichment
  3. 2026-08-26 23:03 UTCEG score recompute
  4. 2026-08-26 23:03 UTCGHSA enrichment
  5. 2026-08-26 14:46 UTCEPSS rescore
  6. 2026-08-26 11:57 UTCGHSA enrichment
  7. 2026-08-26 00:54 UTCEG score recompute
  8. 2026-08-26 00:54 UTCGHSA enrichment
  9. 2026-08-25 13:48 UTCEPSS rescore
  10. 2026-08-25 12:58 UTCGHSA enrichment
  11. 2026-08-25 01:53 UTCGHSA enrichment
  12. 2026-08-24 14:48 UTCEG score recompute
  13. 2026-08-24 14:48 UTCGHSA enrichment
  14. 2026-08-24 03:44 UTCGHSA enrichment
  15. 2026-08-23 15:51 UTCGHSA enrichment
  16. 2026-08-23 04:48 UTCEG score recompute
  17. 2026-08-23 04:47 UTCGHSA enrichment
  18. 2026-08-23 00:19 UTCEPSS rescore
  19. 2026-08-22 17:44 UTCGHSA enrichment
  20. 2026-08-22 06:39 UTCEG score recompute
  21. 2026-08-22 06:39 UTCGHSA enrichment
  22. 2026-08-21 23:49 UTCEPSS rescore
  23. 2026-08-21 19:36 UTCGHSA enrichment
  24. 2026-08-21 08:33 UTCEG score recompute
  25. 2026-08-21 08:33 UTCGHSA enrichment
  26. 2026-08-20 22:55 UTCEPSS rescore
  27. 2026-08-20 21:30 UTCGHSA enrichment
  28. 2026-08-20 10:27 UTCGHSA enrichment
  29. 2026-08-19 23:24 UTCEG score recompute
  30. 2026-08-19 23:24 UTCGHSA enrichment
  31. 2026-08-19 17:03 UTCEPSS rescore
  32. 2026-08-19 06:56 UTCGHSA enrichment
  33. 2026-08-18 19:53 UTCEG score recompute
  34. 2026-08-18 19:52 UTCGHSA enrichment
  35. 2026-08-18 13:48 UTCEPSS rescore
  36. 2026-08-18 04:04 UTCGHSA enrichment
  37. 2026-08-17 16:55 UTCEG score recompute
  38. 2026-08-17 16:55 UTCGHSA enrichment
  39. 2026-08-17 13:47 UTCEPSS rescore
  40. 2026-08-17 05:51 UTCGHSA enrichment
  41. 2026-08-16 18:31 UTCEG score recompute
  42. 2026-08-16 18:31 UTCGHSA enrichment
  43. 2026-08-16 14:56 UTCEPSS rescore
  44. 2026-08-16 07:27 UTCEG score recompute
  45. 2026-08-16 07:27 UTCGHSA enrichment
  46. 2026-08-16 02:14 UTCEPSS rescore
  47. 2026-08-15 20:24 UTCGHSA enrichment
  48. 2026-08-15 09:21 UTCEG score recompute
  49. 2026-08-15 09:21 UTCGHSA enrichment
  50. 2026-08-15 01:30 UTCEPSS rescore
  51. 2026-08-14 22:18 UTCGHSA enrichment
  52. 2026-08-14 11:15 UTCGHSA enrichment
  53. 2026-08-14 00:12 UTCEG score recompute
  54. 2026-08-14 00:12 UTCGHSA enrichment
  55. 2026-08-13 22:00 UTCEPSS rescore
  56. 2026-08-13 13:08 UTCGHSA enrichment
  57. 2026-08-13 02:05 UTCGHSA enrichment
  58. 2026-08-12 15:02 UTCEG score recompute
  59. 2026-08-12 15:02 UTCGHSA enrichment
  60. 2026-08-12 13:50 UTCEPSS rescore
  61. 2026-08-12 03:59 UTCGHSA enrichment
  62. 2026-08-11 16:55 UTCEG score recompute
  63. 2026-08-11 16:55 UTCGHSA enrichment
  64. 2026-08-11 13:42 UTCEPSS rescore
  65. 2026-08-11 05:52 UTCEG score recompute
  66. 2026-08-11 05:52 UTCGHSA enrichment
  67. 2026-08-11 00:00 UTCEPSS rescore
  68. 2026-08-10 18:49 UTCGHSA enrichment
  69. 2026-08-10 07:45 UTCGHSA enrichment
  70. 2026-08-09 20:42 UTCEG score recompute
  71. 2026-08-09 20:42 UTCGHSA enrichment
  72. 2026-08-09 13:46 UTCEPSS rescore
  73. 2026-08-09 09:39 UTCGHSA enrichment
  74. 2026-08-08 22:36 UTCEG score recompute
  75. 2026-08-08 22:36 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16084?
CVE-2026-16084 is a high vulnerability published on July 18, 2026. A weakness has been identified in Sipeed PicoClaw up to 0.2.9. This impacts the function web_fetch of the file pkg/tools/integration/web.go. This manipulation causes server-side request forgery. Remote exploitation of the attack is possible. The exploit has been made available to the public and…
When was CVE-2026-16084 disclosed?
CVE-2026-16084 was first published in the National Vulnerability Database on July 18, 2026, with the most recent update on July 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16084 actively exploited?
CVE-2026-16084 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 55.4% of all scored CVEs.
What is the CVSS score of CVE-2026-16084?
CVE-2026-16084 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-16084?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16084, 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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