CVE-2026-4202: Broken Access Control in extension "Redirect Tab"
Vulnerability summary
CVE-2026-4202 is a medium (CVSS 4.3) vulnerability in ayacoo redirect_tab. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.5% of scored vulnerabilities.
Not severe (CVSS 2.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 17-03-2026PublishedVulnerability first disclosed.
- 17-03-2026Last modifiedVulnerability information updated.
Description
The extension fails to verify, if an authenticated user has permissions to access to redirects resulting in exposure of redirect records when editing a page.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST2.3LowCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
7%
Versus all other CVEs
30-day change
Decrease -0.10 pp
From 0.27% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Affected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ayacoo1 product
- redirect_tab< 2.1.2 | ≥ 3.0.0, < 3.1.7 | ≥ 4.0.0, < 4.0.5
Typo31 product
- extension "redirect tabs"≥ 4.0.0, < 4.0.5 | ≥ 3.0.0, < 3.1.7 | < 2.1.2
2 vendors · 2 products
References
1 links- typo3.org/security/advisory/typo3-ext-sa-2026-006Vendor Advisory