CVE-2026-82881

MEDIUMPre-NVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2026-08-31. A secondary CVSS source baseline 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 5.4Exploit: Elevated riskExposed services: Not assessed

An upstream fix is merged but not yet released — mitigate (WAF / firewall / segmentation) until the release ships, then apply it.

Aix-DB through 1.2.4 renders markdown with raw HTML enabled into v-html bindings without sanitization, allowing stored cross-site scripting attacks. Attackers can inject malicious HTML and JavaScript through markdown content in chat responses, skill descriptions, or knowledge messages that execute in users' browsers when viewed.

CVSS v3
5.4
EG Score
5.4MEDIUMmedium confidence
EG Risk
40
EG Risk 40/100CISA SSVC

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
Severity54% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.
EPSS PROB
0.3%
EPSS %ILE
22nd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 31, 2026

Last Modified

September 8, 2026

Advisory Details (6)

Auto-updated Aug 31, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr, github_commit.
generic

Aix-DB through 1.2.4 Stored Cross-Site Scripting via Markdown | Advisories | VulnCheck

https://www.vulncheck.com/advisories/aix-db-through-1.2.4-stored-cross-site-scripting-via-markdown
generic

GitHub - apconw/Aix-DB: Aix-DB 基于 LangChain/LangGraph 框架，结合 MCP Skills 多智能体协作架构，实现自然语言到数据洞察的端到端转换。 · GitHub

https://github.com/apconw/Aix-DB
generic

Aix-DB/web/src/components/MarkdownPreview/plugins/markdown.ts at v1.2.4 · apconw/Aix-DB · GitHub

https://github.com/apconw/Aix-DB/blob/v1.2.4/web/src/components/MarkdownPreview/plugins/markdown.ts#L36
github_commit

commit b568a0f3b18e (apconw/Aix-DB)

Fix landed in apconw/Aix-DB commit b568a0f3b18e — awaiting tagged release

https://github.com/apconw/Aix-DB/commit/b568a0f3b18ecead9f7d38bb78017f664d54a1a9
github_pr

fix: sanitize markdown HTML output with DOMPurify to prevent XSS

Fix merged in apconw/Aix-DB PR #231 on 2026-08-30 — awaiting tagged release

https://github.com/apconw/Aix-DB/pull/231
generic

Stored XSS via markdown-it `html: true` · Issue #230 · apconw/Aix-DB · GitHub

https://github.com/apconw/Aix-DB/issues/230

Vendor Advisories for CVE-2026-82881(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 17× in last 7d / 79× 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 110 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-82881?
CVE-2026-82881 is a medium vulnerability published on August 31, 2026. Aix-DB through 1.2.4 renders markdown with raw HTML enabled into v-html bindings without sanitization, allowing stored cross-site scripting attacks. Attackers can inject malicious HTML and JavaScript through markdown content in chat responses, skill descriptions, or knowledge messages that execute…
When was CVE-2026-82881 disclosed?
CVE-2026-82881 was first published on August 31, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82881 actively exploited?
CVE-2026-82881 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (22nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-82881?
CVE-2026-82881 has a CVSS base score of 5.4 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-82881?
An upstream fix for CVE-2026-82881 has been merged but is not yet in a tagged release. Until it ships, restrict network exposure of the affected system or apply the vendor's mitigation, then update to the release that contains the fix. The vendor advisories EchelonGraph has for CVE-2026-82881 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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