VulnSocial

CVE-2026-27638Disclosure(actualbudget / actual)

LOWCVSS 7.1 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Actual is a local-first personal finance tool. Prior to version 26.2.1, in multi-user mode (OpenID), the sync API endpoints (`/sync/*`) don't verify that the authenticated user owns or has access to the file being operated on. Any authenticated user can read, modify, and overwrite any other user's budget files by providing their file ID. Version 26.2.1 patches the issue.

actualbudget CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Patch / fix
Exploit / PoC references
Other references
Weakness type (CWE)
CWE-862

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • actual

Threat summary

  • 5 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 4 signals
  • Disclosure: 4 classified signals
  • General: 1 classified signal
  • Peaked 2d ago at 3 mentions (2026-02-27); latest day: 1
  • 5 total mentions across 3 days

Affected systems

Vendors
actualbudget
Products
actual

Deep dive

Activity timeline5 mentions / 3d
01223Mentions · 2026-02-27: 3Mentions · 2026-03-03: 1Mentions · 2026-03-25: 1Technical Details · 2026-02-27: 3Technical Details · 2026-03-03: 102-2703-0303-25
Signal classification2 categories
Disclosure
480.0%
General
120.0%
Referenced assets4 URLs
Classification over time
DateTotalLabels
2026-02-273
Disclosure3
2026-03-031
Disclosure1
2026-03-251
General1
Full discourse5 posts
  • 秋风@q1uf3ng
    General

    What are the limits of AI-assisted vulnerability hunting? I obtained 23 CVEs in one month. BentoML 8.2k CVE-2026-27905 HIGH SillyTavern 24.6k CVE-2026-26286 HIGH Plane 28.2k CVE-2026-27705 MEDIUM NocoDB 46.4k CVE-2026-28399 MEDIUM Mautic 8.4k CVE-2026-3105 HIGH File Browser 27.9k CVE-2026-28492 HIGH OpenReplay 7.3k CVE-2026-28443 MEDIUM SuiteCRM 4.0k CVE-2026-29096 HIGH Pimcore 3.6k CVE-2026-27461 HIGH Craft CMS 5.2k CVE-2026-32263 MEDIUM Froxlor 1.6k CVE-2026-30932 HIGH Actual Budget 3.2k CVE-2026-27638 HIGH Lemmy 14.0k CVE-2026-29178 MEDIUM Chartbrew 2.6k CVE-2026-27005 HIGH Tautulli 1.7k CVE-2026-28505 HIGH Typebot 9.5k CVE-2026-33712 CRITICAL LibreChat 34.7k CVE-2026-31942 HIGH Coolify 33.8k CVE-2026-27883 HIGH Gotenberg 3.0k CVE-2026-27018 HIGH Unkey 5.2k CVE-2026-28339 MEDIUM Piwigo 3.3k CVE-2026-27634 CRITICAL Pixelfed 10.7k CVE-2026-27011 HIGH Follow (Folo) 3.0k CVE-2026-27499 HIGH

    Post summary

    The post enumerates 23 CVEs discovered in a month via AI-assisted hunting, listing only identifiers and severity ratings without further technical or exploitation details.

    720220514825.9K
    1.7K followersView on X
  • CRAC Learning - Tech@cracbot
    Disclosure

    CVE-2026-27638 (CVSS:5.7, HIGH) is Analyzed. Actual is a local-first personal finance tool. Prior to version 26.2.1, in multi-user mode (OpenID), the sync API endpoi..https://nvd.nist.gov/vuln/detail/CVE-2026-27638 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre

    Post summary

    The post references CVE-2026-27638, noting its CVSS score and affected component, but offers no evidence of exploitation or mitigation.

    0000038
    173 followersView on X
  • cvereports@_cvereports
    Disclosure

    CVE-2026-27638: Actual Budget Sync Authorization Bypass (IDOR) A critical authorization flaw exists in Actual Budget's synchronization server, specifically affecting multi-user deployments. The vulnerability allows authenticated users to access, modif... https://cvereports.com/reports/CVE-2026-27638

    Post summary

    The report announces a critical IDOR flaw in Actual Budget's sync server that allows authenticated users to access and modify resources, but no proof‑of‑concept, exploit details, or remediation information is provided.

    0000048
    32 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-27638 Actual is a local-first personal finance tool. Prior to version 26.2.1, in multi-user mode (OpenID), the sync API endpoints (`/sync/*`) don't verify that the authenti… https://www.cve.org/CVERecord?id=CVE-2026-27638

    Post summary

    The post discloses CVE-2026-27638, a vulnerability in a local-first personal finance tool where sync API endpoints lack proper authentication verification in multi-user mode; no PoC, patch, or exploitation evidence is provided.

    00000141
    56.6K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-27638 Unauthenticated File Access and Modification in Actual Personal Finance Tool https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-27638

    Post summary

    The post announces CVE-2026-27638, an unauthenticated file access and modification flaw in a personal finance tool, linking to a Vulmon detail page but offering no PoC, exploit, patch, or evidence of active exploitation.

    0000029
    4.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appactualbudgetactual-node.js-

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