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Vulnerabilities

Vulnerability · CVE-2026-33318

Actual is a local-first personal finance tool.

Published Apr 24, 2026 · catalog updated Jun 17, 2026 · Actual is a local-first

Check if you run it

No confirmed exploitation is on record for CVE-2026-33318. EPSS is 0.59%. Act only if a listed version of Actual is a local-first is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Actual is a local-first).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.59%
Remediation
Advisory link
Affected products
cpe actualbudget/actual

Actual is a local-first personal finance tool. Prior to version 26.4.0, any authenticated user (including role) can escalate to on servers migrated from password authentication to OpenID Connect. Three weaknesses combine: has no authorization check, allowing any session to overwrite the password hash; the inactive password row is never removed on migration; and the login endpoint accepts a client-supplied that bypasses the server's active auth configuration. Together these allow an attacker to set a known password and authenticate as the anonymous admin account created during the multiuser migration. The three weaknesses form a single, sequential exploit chain — none produces privilege escalation on its own. Missing authorization on POST /change-password allows overwriting a password hash, but only matters if there is an orphaned row to target. Orphaned password row persisting after migration provides the target row, but is harmless without the ability to authenticate using it. Client-controlled loginMethod: "password" allows forcing password-based auth, but is useless without a known hash established by step 1. All three must be chained in sequence to achieve the impact. No single weakness independently results in privilege escalation. The single root cause is the missing authorization check on /change-password; the other two are preconditions that make it exploitable. Version 26.4.0 contains a fix.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe actualbudget/actualversion unspecified

How to fix CVE-2026-33318

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-33318. EPSS is 0.59%. Act only if a listed version of Actual is a local-first is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-284: Improper Access Control; CWE-862: Missing Authorization. EPSS 0.59%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 24, 2026 · NIST NVD

    Detected

    Actual is a local-first personal finance tool. Prior to version 26.4.0, any authenticated user (including role) can escalate to on servers migrated from password authentication to OpenID Connect. Three weaknesses combine: has no authorization check, allowing any session to overwrite the password hash; the inactive password row is never removed on migration; and the login endpoint accepts a client-

  2. Jun 17, 2026 · NIST NVD

    Updated

    Actual is a local-first personal finance tool. Prior to version 26.4.0, any authenticated user (including role) can escalate to on servers migrated from password authentication to OpenID Connect. Three weaknesses combine: has no authorization check, allowing any session to overwrite the password hash; the inactive password row is never removed on migration; and the login endpoint accepts a client-

Sources

  • CVE.orgVulnerability recordCVE-2026-33318

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-33318

    30-day exploitation probability 0.6%

    first.org
  • NIST NVDVulnerability recordCVE-2026-33318

    Actual is a local-first personal finance tool. Prior to version 26.4.0, any authenticated user (including role) can escalate to on servers migrated from password authentication to OpenID Connect. Three weaknesses combine: has no aut

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.