5.3

CVE-2026-106243: google chrome Incomplete Cleanup

Analyzed
AliasesDEBIAN-CVE-2026-106243CGA-263v-5wfg-mrr7CGA-2726-fp5f-j7xf
Published 06-10-2026Last modified 06-10-2026

Vulnerability summary

CVE-2026-106243 is a medium (CVSS 5.3) Incomplete Cleanup vulnerability in google chrome. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.3, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.11%
0%100%
Low · Change unavailable
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2026:12091-1OPENSUSE-SU-2026:22041-1OPENSUSE-SU-2026:22124-1

Timeline

  1. 06-10-2026
    PublishedVulnerability first disclosed.
  2. 06-10-2026
    Last modifiedVulnerability information updated.

Description

Incomplete cleanup in Proxy Auth in Google Chrome prior to 155.0.8059.39 allowed an adjacent attacker to obtain sensitive information via crafted network traffic. (Chromium security severity: High)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.11%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

07-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard3 products
  • chromium< 155.0.8059.39-r0
  • chromium-docker-selenium-compat< 155.0.8059.39-r0
  • chromium-lang< 155.0.8059.39-r0
Wolfi3 products
  • chromium< 155.0.8059.39-r0
  • chromium-docker-selenium-compat< 155.0.8059.39-r0
  • chromium-lang< 155.0.8059.39-r0
Debian1 product
  • chromiumAll versions (No fix recorded) | < 155.0.8059.39-1~deb12u1 | < 155.0.8059.39-1~deb13u1 | < 155.0.8059.39-1
Google1 product
  • chrome≥ 155.0.8059.39, < 155.0.8059.39 | < 155.0.8059.39

4 vendors · 8 products

References

3 links