How severe is CVE-2026-29198?

CVE-2026-29198 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-29198 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-29198?

CVE-2026-29198 primarily affects Rocket.chat. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-29198?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-29198 have an EU (EUVD) identifier?

Yes. CVE-2026-29198 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25129.

When was CVE-2026-29198 published?

CVE-2026-29198 was published on 2026-04-23 and last updated on 2026-06-17.

CVE-2026-29198

Q: What is CVE-2026-29198?

In Rocket.Chat <8.3.0, <8.2.1, <8.1.2, <8.0.3, <7.13.5, <7.12.6, <7.11.6, and <7.10.9, a NoSQL injection vulnerability can lead to account takeover of the first user with a generated token when an OAuth app is configured.

CVE-2026-29198 is a critical-severity vulnerability in Rocket.chat with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25129
Weakness: CWE-89
Affected product: Rocket.chat
Published: 2026-04-23
Last modified: 2026-06-17

Description

In Rocket.Chat <8.3.0, <8.2.1, <8.1.2, <8.0.3, <7.13.5, <7.12.6, <7.11.6, and <7.10.9, a NoSQL injection vulnerability can lead to account takeover of the first user with a generated token when an OAuth app is configured.

Frequently asked questions

What is CVE-2026-29198?: In Rocket.Chat <8.3.0, <8.2.1, <8.1.2, <8.0.3, <7.13.5, <7.12.6, <7.11.6, and <7.10.9, a NoSQL injection vulnerability can lead to account takeover of the first user with a generated token when an OAuth app is configured.
How severe is CVE-2026-29198?: CVE-2026-29198 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-29198 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-29198?: CVE-2026-29198 primarily affects Rocket.chat. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-29198?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-29198 have an EU (EUVD) identifier?: Yes. CVE-2026-29198 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25129.
When was CVE-2026-29198 published?: CVE-2026-29198 was published on 2026-04-23 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
cpe:2.3:a:rocket.chat:rocket.chat:8.3.0:rc0:*:*:*:*:*:*
cpe:2.3:a:rocket.chat:rocket.chat:8.3.0:rc1:*:*:*:*:*:*
cpe:2.3:a:rocket.chat:rocket.chat:8.3.0:rc2:*:*:*:*:*:*
cpe:2.3:a:rocket.chat:rocket.chat:8.3.0:rc3:*:*:*:*:*:*
cpe:2.3:a:rocket.chat:rocket.chat:8.3.0:rc4:*:*:*:*:*:*

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