8.2

CVE-2026-21279: adobe coldfusion Improper Input Validation

CVSS: 8.2v3.1HighAnalyzed
Published 11-08-2026Last modified 27-08-2026

Vulnerability summary

CVE-2026-21279 is a high (CVSS 8.2) Improper Input Validation vulnerability in adobe coldfusion. EPSS estimates a 0.79% chance of exploitation in the next 30 days, higher than 55.4% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.2/10
010
High · v3.1 (CVE.org)
EPSS score
0.79%
0%100%
Low · +0.28 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-08-2026
    PublishedVulnerability first disclosed.
  2. 27-08-2026
    Last modifiedVulnerability information updated.

Description

is affected by an Improper Input Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized read and limited write access. Exploitation of this issue does not require user interaction.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.79%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

+0.28 pp

From 0.51% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.79%

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

Adobe3 products
  • coldfusion2023 | 2023:update1 | 2023:update10 | 2023:update11 | 2023:update12 | 2023:update13 | 2023:update14 | 2023:update15 | 2023:update16 | 2023:update17 | 2023:update18 | 2023:update19 | 2023:update2 | 2023:update20 | 2023:update21 | 2023:update22 | 2023:update3 | 2023:update4 | 2023:update5 | 2023:update6 | 2023:update7 | 2023:update8 | 2023:update9 | 2025 | 2025:update1 | 2025:update10 | 2025:update11 | 2025:update2 | 2025:update3 | 2025:update4 | 2025:update5 | 2025:update6 | 2025:update7 | 2025:update8 | 2025:update9
  • coldfusion 2023≤ 2023.0.22
  • coldfusion 2025≤ 2025.0.11

1 vendor · 3 products

References

1 links