CVE-2026-48376: is affected by an Improper Encoding or Escaping of Output vulnerability that could result in a Security featur

Routine

MEDIUM 5.4DOWNGRADE

CVE-2026-48376 is a medium-severity flaw (CVSS 5.4) affecting coldfusion. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

is affected by an Improper Encoding or Escaping of Output vulnerability that could result in a Security feature bypass. A low-privileged attacker could leverage this vulnerability to bypass security measures and gain limited unauthorized write access, causing a limited disruption to availability. Exploitation of this issue does not require user interaction.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-116
Published	2026-08-11
Last modified	2026-08-28

Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe

Last updated 2026-08-28 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-11 17:17 UTCPublished CVE record published
2026-08-28 00:17 UTCUpdated Record last modified

adobe coldfusion DOWNGRADE

Affected: 2023 · 2023 update1 · 2023 update10 · 2023 update11 · 2023 update12 · 2023 update13 · 2023 update14 · 2023 update15

Fixed in: no fixed release known

Safe to downgrade to: a release before 2023

1. Check installed version

apt-cache policy coldfusion || rpm -q coldfusion || coldfusion --version

2. No fixed release: DOWNGRADE to a release before 2023 (Debian / Ubuntu)

apt-cache madison coldfusion sudo apt install coldfusion=<VERSION_BEFORE_2023> sudo apt-mark hold coldfusion

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list coldfusion sudo dnf downgrade coldfusion-<VERSION_BEFORE_2023> sudo dnf versionlock add coldfusion

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-48376?

coldfusion: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-48376 being exploited?

CVE-2026-48376 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-48376 affect?

CVE-2026-48376 affects coldfusion. Severity is medium (CVSS 5.4). is affected by an Improper Encoding or Escaping of Output vulnerability that could result in a Security feature bypass. A low-privileged attacker could leverage this vulnerability to bypass security measures and gain limited unauthorized wr

How urgent is CVE-2026-48376?

Priority 32/100. No elevated risk signals yet.

Software pages

Adobe ColdFusion vulnerabilities

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References

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