CVE-2026-15115

LOWPre-NVD 3.33.3—
EchelonGraph scoreMEDIUM confidence

Score 3.3 from GitHub Security Advisory (severity: LOW) published 2026-07-09. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 3.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
3.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.3Exploit: None knownExposed: 0

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

Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Android prior to 150.0.7871.115 allowed a local attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)

CVSS v3
3.3
Vendor severity
HIGHper Google (Chromium)Vendor's own band, not a CVSS rating — advisory text: (Chromium security severity: High)
EG Score
3.3(medium)
EG Risk
15(Track)
EG Risk 15/100SSVC: 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
Severity33% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

July 8, 2026

Last Modified

July 9, 2026

References (2)

Vendor Advisories for CVE-2026-15115(1)

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 rangeFixed inDependents
chromium100.0.4896.127-1 ... 99.0.4844.84-1~deb11u1 (500 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
chromium113.0.5672.126-1 ... 150.0.7871.46-1~deb13u1 (384 versions)150.0.7871.114-1~deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 150.0.7871.46-1~deb13u1 (150 versions)150.0.7871.114-1~deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
chromium138.0.7204.183-1 ... 150.0.7871.46-1~deb13u1 (151 versions)150.0.7871.114-1—

Weakness Classification(1)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 10× in last 7d / 47× 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. 2026-08-30 07:03 UTCEG score recompute
  2. 2026-08-30 07:03 UTCVendor advisory
  3. 2026-08-30 07:03 UTCGHSA enrichment
  4. 2026-08-30 01:22 UTCEPSS rescore
  5. 2026-08-28 21:41 UTCEPSS rescore
  6. 2026-08-27 14:25 UTCEPSS rescore
  7. 2026-08-25 13:48 UTCEPSS rescore
  8. 2026-08-24 23:30 UTCEG score recompute
  9. 2026-08-24 23:30 UTCVendor advisory
  10. 2026-08-24 23:30 UTCGHSA enrichment
  11. 2026-08-23 00:19 UTCEPSS rescore
  12. 2026-08-21 23:49 UTCEPSS rescore
  13. 2026-08-21 17:12 UTCEG score recompute
  14. 2026-08-21 17:12 UTCGHSA enrichment
  15. 2026-08-20 22:55 UTCEPSS rescore
  16. 2026-08-19 17:03 UTCEPSS rescore
  17. 2026-08-18 13:48 UTCEPSS rescore
  18. 2026-08-18 10:47 UTCEG score recompute
  19. 2026-08-18 10:47 UTCVendor advisory
  20. 2026-08-18 10:47 UTCGHSA enrichment
  21. 2026-08-17 13:47 UTCEPSS rescore
  22. 2026-08-16 02:14 UTCEPSS rescore
  23. 2026-08-15 02:36 UTCEG score recompute
  24. 2026-08-15 02:36 UTCVendor advisory
  25. 2026-08-15 02:36 UTCGHSA enrichment
Show 51 more
  1. 2026-08-15 01:30 UTCEPSS rescore
  2. 2026-08-11 20:18 UTCEG score recompute
  3. 2026-08-11 20:18 UTCVendor advisory
  4. 2026-08-11 20:18 UTCGHSA enrichment
  5. 2026-08-09 13:46 UTCEPSS rescore
  6. 2026-08-08 16:37 UTCEPSS rescore
  7. 2026-08-08 14:01 UTCEG score recompute
  8. 2026-08-08 14:01 UTCVendor advisory
  9. 2026-08-08 14:01 UTCGHSA enrichment
  10. 2026-08-06 13:46 UTCEPSS rescore
  11. 2026-08-05 19:17 UTCEPSS rescore
  12. 2026-08-05 07:43 UTCEG score recompute
  13. 2026-08-05 07:43 UTCVendor advisory
  14. 2026-08-05 07:43 UTCGHSA enrichment
  15. 2026-08-04 15:09 UTCEPSS rescore
  16. 2026-08-04 10:38 UTCEPSS rescore
  17. 2026-08-03 10:35 UTCEPSS rescore
  18. 2026-08-02 02:26 UTCEPSS rescore
  19. 2026-08-02 01:22 UTCEG score recompute
  20. 2026-08-02 01:22 UTCVendor advisory
  21. 2026-08-02 01:22 UTCGHSA enrichment
  22. 2026-08-01 04:15 UTCEPSS rescore
  23. 2026-07-30 01:30 UTCEPSS rescore
  24. 2026-07-29 19:04 UTCEG score recompute
  25. 2026-07-29 19:04 UTCVendor advisory
  26. 2026-07-29 19:04 UTCGHSA enrichment
  27. 2026-07-28 15:36 UTCEPSS rescore
  28. 2026-07-27 14:13 UTCEPSS rescore
  29. 2026-07-26 14:54 UTCEPSS rescore
  30. 2026-07-26 14:54 UTCEPSS rescore
  31. 2026-07-26 12:23 UTCEG score recompute
  32. 2026-07-26 12:23 UTCGHSA enrichment
  33. 2026-07-25 14:17 UTCEPSS rescore
  34. 2026-07-24 14:17 UTCEPSS rescore
  35. 2026-07-23 03:05 UTCEG score recompute
  36. 2026-07-22 14:08 UTCEPSS rescore
  37. 2026-07-20 17:08 UTCEPSS rescore
  38. 2026-07-16 17:02 UTCEPSS rescore
  39. 2026-07-15 16:57 UTCEPSS rescore
  40. 2026-07-15 11:35 UTCGHSA enrichment
  41. 2026-07-15 02:00 UTCEPSS rescore
  42. 2026-07-13 22:30 UTCEPSS rescore
  43. 2026-07-12 05:46 UTCEPSS rescore
  44. 2026-07-12 05:14 UTCEG score recompute▲ 3.30
  45. 2026-07-12 05:14 UTCGHSA enrichment
  46. 2026-07-11 08:27 UTCEPSS rescore
  47. 2026-07-09 19:10 UTCEPSS rescore
  48. 2026-07-09 10:35 UTCMITRE cvelistV5CVSS v3 → 3.3 · severity → LOW
  49. 2026-07-09 00:54 UTCNVD update
  50. 2026-07-08 22:56 UTCEG score recompute
  51. 2026-07-08 22:54 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-15115?
CVE-2026-15115 is a low vulnerability published on July 8, 2026. Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Android prior to 150.0.7871.115 allowed a local attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)
When was CVE-2026-15115 disclosed?
CVE-2026-15115 was first published in the National Vulnerability Database on July 8, 2026, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15115 actively exploited?
CVE-2026-15115 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 97.4% of all scored CVEs.
What is the CVSS score of CVE-2026-15115?
CVE-2026-15115 has a CVSS v3.1 base score of 3.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-15115?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15115, 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-2026-15115

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