6.3

CVE-2026-86536: apache software foundation apache thrift Prototype Pollution

CVSS: 6.3v4.0MediumDeferred
AliasesUBUNTU-CVE-2026-86536DEBIAN-CVE-2026-86536
Published 02-10-2026Last modified 02-10-2026
Open JSON

Vulnerability summary

CVE-2026-86536 is a medium (CVSS 6.3) Prototype Pollution vulnerability in apache software foundation apache thrift. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.4% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.3/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.46%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
RHSA-2026:74369

Timeline

  1. 02-10-2026
    PublishedVulnerability first disclosed.
  2. 02-10-2026
    Last modifiedVulnerability information updated.

Description

Improperly controlled modification of object prototype attributes ('prototype pollution') vulnerability in Apache Thrift all JS bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0 and re-generate JS code, which fixes the issue.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.46%

Chance of exploitation in the next 30 days

Percentile

38%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

03-10-202618-10-2026
EPSS score
0.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apache software foundation1 product
Debian1 product
  • thriftAll versions (No fix recorded)
Ubuntu1 product
  • thriftAll versions (No fix recorded)

3 vendors · 3 products

References

5 links