CVE-2026-35261: Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi

Routine

MEDIUM 6.5REMOTEDOWNGRADE

CVE-2026-35261 is a medium-severity flaw (CVSS 6.5) affecting access manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Access Manager

Why this priority

Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-287
Published	2026-06-17
Last modified	2026-10-25

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-17 10:40 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

oracle access manager DOWNGRADE

Affected: 12.2.1.4.0 · 14.1.2.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.2.1.4.0

1. Check installed version

apt-cache policy access-manager || rpm -q access-manager || access-manager --version

2. No fixed release: DOWNGRADE to a release before 12.2.1.4.0 (Debian / Ubuntu)

apt-cache madison access-manager sudo apt install access-manager=<VERSION_BEFORE_12.2.1.4.0> sudo apt-mark hold access-manager

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

dnf --showduplicates list access-manager sudo dnf downgrade access-manager-<VERSION_BEFORE_12.2.1.4.0> sudo dnf versionlock add access-manager

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-2026-35261?

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

Is CVE-2026-35261 being exploited?

CVE-2026-35261 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-2026-35261 affect?

CVE-2026-35261 affects access manager. Severity is medium (CVSS 6.5). Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated

How urgent is CVE-2026-35261?

Priority 33/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-35313 CRITICAL 9.9 DOWNGRADE Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi
CVE-2026-35314 HIGH 7.3 DOWNGRADE Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Web Server Plugin)
CVE-2026-46812 MEDIUM 6.1 DOWNGRADE Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engi
CVE-2026-11877 HIGH 7.5 UPGRADE An unauthorized user can modify configuration through API calls that affects the OpenText Access Manager. This
CVE-2026-11878 MEDIUM 6.1 UPGRADE Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in OpenText

References

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