CVE-2026-49376
published 2026-05-29CVE-2026-49376: In JetBrains TeamCity before 2026.1 insufficient username validation in the SAML plugin
PriorityP434medium6.5CVSS 3.1
AVNACLPRNUINSUCLILAN
EPSS
0.21%
10.9th percentile
In JetBrains TeamCity before 2026.1 insufficient username validation in the SAML plugin
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| jetbrains | teamcity | < 2026.1 | 2026.1 |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
JetBrains TeamCity up to 2026.0 authorization
vuldb·2026-05-29·CVSS 6.5
CVE-2026-49376 [MEDIUM] JetBrains TeamCity up to 2026.0 authorization
A vulnerability, which was classified as critical, has been found in JetBrains TeamCity up to 2026.0. Impacted is an unknown function. The manipulation leads to incorrect authorization.
This vulnerability is documented as CVE-2026-49376. The attack can be initiated remotely. There is not any exploit available.
It is advisable to upgrade the affected component.
GHSA
GHSA-qhvc-3ggx-6rj7: In JetBrains TeamCity before 2026
ghsa_unreviewed·2026-05-29
CVE-2026-49376 [MEDIUM] CWE-863 GHSA-qhvc-3ggx-6rj7: In JetBrains TeamCity before 2026
In JetBrains TeamCity before 2026.1 insufficient username validation in the SAML plugin
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-05-29
Published