CVE-2026-19153

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-07. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 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: 0.3%CVSS: 8.1Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Insufficient validation of untrusted input in Workers in Google Chrome prior to 151.0.7922.109 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

CVSS v3
8.1
Vendor severity
HIGHper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: High)
EG Score
8.1HIGHmedium confidence
EG Risk
37
EG Risk 37/100CISA 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
Severity81% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.3%
EPSS %ILE
23rd
KEV
Not listed

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

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (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 6, 2026

Last Modified

August 7, 2026

Advisory Details (2)

Auto-updated Aug 7, 2026
Patch available.
generic

Chromium

https://issues.chromium.org/issues/532939327
generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01193673229.html

Vendor Advisories for CVE-2026-19153(2)

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

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
chromium100.0.4896.127-1 ... 99.0.4844.84-1~deb11u1 (503 versions)
  • every version on: no fix on record
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
chromium113.0.5672.126-1 ... 151.0.7922.71-1~deb13u1 (397 versions)
  • every version up to 151.0.7922.108-1~deb12u1: fixed in 151.0.7922.108-1~deb12u1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
chromium138.0.7204.183-1 ... 151.0.7922.71-1~deb13u1 (163 versions)
  • every version up to 151.0.7922.108-1~deb13u1: fixed in 151.0.7922.108-1~deb13u1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
chromium138.0.7204.183-1 ... 151.0.7922.71-1~deb13u1 (164 versions)
  • every version up to 151.0.7922.108-1: fixed in 151.0.7922.108-1
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 23× in last 7d / 123× 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 272 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19153?
CVE-2026-19153 is a high vulnerability published on August 6, 2026. Insufficient validation of untrusted input in Workers in Google Chrome prior to 151.0.7922.109 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-19153 disclosed?
CVE-2026-19153 was first published on August 6, 2026, with the most recent update on August 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19153 actively exploited?
CVE-2026-19153 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (23rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-19153?
CVE-2026-19153 has a CVSS v3.1 base score of 8.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-19153?
A fix for CVE-2026-19153 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-19153 are linked in the Vendor Advisories panel on this page.

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