CVE-2026-53823

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-13. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: None knownExposed: 0

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

OpenClaw before 2026.5.3 contains a privilege escalation vulnerability in the allowFrom feature that binds to mutable Slack display names. Attackers with Slack account access can change display name metadata to match policy entries, potentially gaining unauthorized agent access intended for other identities.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: 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
Severity81% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

June 12, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Jun 12, 2026
Patch available. Sources: github.
generic

OpenClaw < 2026.5.3 - Privilege Escalation via Mutable Slack Display Names in allowFrom | Advisories | VulnCheck

https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-mutable-slack-display-names-in-allowfrom
github Patch Available

Slack allowFrom could bind to mutable display names · Advisory · openclaw/openclaw · GitHub

https://github.com/openclaw/openclaw/security/advisories/GHSA-c29c-2q9c-pc86

Vendor Advisories for CVE-2026-53823(1)

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

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
openclaw—2026.5.3—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 15× in last 7d / 93× 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 227 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-53823?
CVE-2026-53823 is a high vulnerability published on June 12, 2026. OpenClaw before 2026.5.3 contains a privilege escalation vulnerability in the allowFrom feature that binds to mutable Slack display names. Attackers with Slack account access can change display name metadata to match policy entries, potentially gaining unauthorized agent access intended for other…
When was CVE-2026-53823 disclosed?
CVE-2026-53823 was first published in the National Vulnerability Database on June 12, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53823 actively exploited?
CVE-2026-53823 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 89.1% of all scored CVEs.
What is the CVSS score of CVE-2026-53823?
CVE-2026-53823 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-53823?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53823, 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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