CVE-2026-77051: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Apache S

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CRITICAL 9.8REMOTEWATCHLIST

CVE-2026-77051 is a critical-severity flaw (CVSS 9.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Apache Syncope. An administrator with adequate entitlements can achieve execution of arbitrary SQL via stacked queries, leveraging unsanitized entityKey and opEvent parameters. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2. Users are recommended to upgrade to vers

Why this priority

Critical severity
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-89
Published	2026-09-14
Last modified	2026-09-14

Publisher (CNA): Apache Software Foundation

Last updated 2026-09-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-09-14 13:18 UTCPublished CVE record published
2026-09-14 20:58 UTCUpdated Record last modified

Exact fixes by distribution

Fedora 46 · ddnet · FIXED · 20.2-1.fc46 · FEDORA-2026-6991b4ab14 · source

sudo dnf upgrade --advisory=FEDORA-2026-6991b4ab14

Fedora ELN · libplacebo · FIXED · 7.360.1-5.eln159 · FEDORA-2026-92226f221e · source

sudo dnf upgrade --advisory=FEDORA-2026-92226f221e

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-2026-77051?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-77051 being exploited?

CVE-2026-77051 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-2026-77051 affect?

CVE-2026-77051 affects affected software. Severity is critical (CVSS 9.8). Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Apache Syncope. An administrator with adequate entitlements can achieve execution of arbitrary SQL via stacked queries, leveraging un

How urgent is CVE-2026-77051?

Priority 59/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

References

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