CVE-2026-8769

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-05-18. NVD baseline CVSS 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 4.3Exploit: NoneExposed: 0

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

A vulnerability was determined in vercel ai up to 3.0.97. The impacted element is the function createJsonResponseHandler/createJsonErrorResponseHandler of the file packages/provider-utils/src/response-handler.ts of the component provider-utils. This manipulation causes resource consumption. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
4.3
EG Score
4.3(medium)
EPSS
42.6%
KEV
Not listed

Published

May 17, 2026

Last Modified

May 19, 2026

Advisory Details (1)

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

Unbounded Provider Response Application DoS via Memory Exhaustion in AI SDK · GitHub

https://gist.github.com/YLChen-007/fb1096bc8428bed9a428f764d9d103bb

Vendor Advisories for CVE-2026-8769(1)

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

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
npm@ai-sdk/provider-utils—ghsa

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

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
@ai-sdk/provider-utils———

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 59× 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 101 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-8769?
CVE-2026-8769 is a medium vulnerability published on May 17, 2026. A vulnerability was determined in vercel ai up to 3.0.97. The impacted element is the function createJsonResponseHandler/createJsonErrorResponseHandler of the file packages/provider-utils/src/response-handler.ts of the component provider-utils. This manipulation causes resource consumption. The…
When was CVE-2026-8769 disclosed?
CVE-2026-8769 was first published in the National Vulnerability Database on May 17, 2026, with the most recent update on May 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8769 actively exploited?
CVE-2026-8769 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-8769?
CVE-2026-8769 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-8769?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8769, 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-2026-8769

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