# CVE-2026-2110: Tasin1025 SwiftBuy login.php excessive authentication

> Attackers can bypass authentication restrictions in SwiftBuy's login.php, potentially leading to account takeover.

- **Severity:** Medium 6.3 (`CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Feb 2026
- **Updated:** 23 Feb 2026
- **Also known as:** GHSA-c9vg-rvhj-xxhh

## What is CVE-2026-2110?

CVE-2026-2110 is a medium-severity authentication bypass vulnerability in Tasin1025 SwiftBuy, published on 7 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A security flaw has been discovered in Tasin1025 SwiftBuy up to 0f5011372e8d1d7edfd642d57d721c9fadc54ec7. Affected by this vulnerability is an unknown functionality of the file /login.php. Performing a manipulation results in improper restriction of excessive authentication attempts. Remote exploitation of the attack is possible. The attack's complexity is rated as high. The exploitation appears to be difficult. The exploit has been released to the public and may be used for attacks. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-799 (Improper Control of Interaction Frequency), CWE-307 (Improper Restriction of Excessive Authentication Attempts)

## Which versions are affected by CVE-2026-2110?

It affects 1 product.


Products: Swiftbuy Swiftbuy.

## How do I fix CVE-2026-2110?

No fix has been published for CVE-2026-2110 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-2110 being exploited?

There is no known exploitation of CVE-2026-2110 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-2110 and fix it if it is affected.

What it is: CVE-2026-2110 is a medium-severity authentication bypass vulnerability in Tasin1025 SwiftBuy, published on 7 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-2110 in the wild and no public exploit code.

Affected product: Tasin1025 SwiftBuy. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-2110/ (Markdown: https://insights.sbomify.com/CVE-2026-2110/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-2110
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-2110
- OSV: https://osv.dev/vulnerability/CVE-2026-2110

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-2110/
Summaries are generated and may contain mistakes; the official description above is the record.