CVE-2026-8319

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-05-11. NVD baseline CVSS 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 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 aiwaves-cn agents up to e8c4e3c2d19739d3dff59e577d1c97090cc15f59. Affected by this issue is the function recall_relevant_memories_to_working_memory of the file core/cat/looking_glass/stray_cat.py of the component cheshire_cat_core. This manipulation causes resource consumption. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
5.3
EG Score
5.3(medium)
EPSS
30.1%
KEV
Not listed

Published

May 11, 2026

Last Modified

May 12, 2026

Advisory Details (2)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

[Security] Unauthenticated Denial of Service (DoS) via Oversized Message Payload in tiktoken Encoding · Issue #219 · aiwaves-cn/agents · GitHub

https://github.com/aiwaves-cn/agents/issues/219
generic

GitHub - aiwaves-cn/agents: An Open-source Framework for Data-centric, Self-evolving Autonomous Language Agents · GitHub

https://github.com/aiwaves-cn/agents/

Vendor Advisories for CVE-2026-8319(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
pipai-agents—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)
PyPI(1)
PackageVulnerable rangeFixed inDependents
ai-agents0.0.1 ... 0.0.52 (7 versions)——

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 51× 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.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-8319?
CVE-2026-8319 is a medium vulnerability published on May 11, 2026. A weakness has been identified in aiwaves-cn agents up to e8c4e3c2d19739d3dff59e577d1c97090cc15f59. Affected by this issue is the function recallrelevantmemoriestoworkingmemory of the file core/cat/lookingglass/straycat.py of the component cheshirecat_core. This manipulation causes resource…
When was CVE-2026-8319 disclosed?
CVE-2026-8319 was first published in the National Vulnerability Database on May 11, 2026, with the most recent update on May 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8319 actively exploited?
CVE-2026-8319 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-8319?
CVE-2026-8319 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-8319?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8319, 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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